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Finding the Fourth Proportional to 16,772.10, 25,158.15 and 10,211.10

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Solution

The fourth proportional to 16,772.10, 25,158.15 and 10,211.10 is: 15,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.10 : 25,158.15 = 10,211.10 : x
  2. Step 2: Convert to fraction form
    16,772.10/25,158.15 = 10,211.10/x
  3. Step 3: Cross multiply
    16,772.10x = 25,158.15 × 10,211.10
  4. Step 4: Simplify right side
    16,772.10x = 256,892,385.47
  5. Step 5: Solve for x
    x = 256,892,385.47/16,772.10
  6. Step 6: Final answer
    x = 15,316.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.