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Finding the Fourth Proportional to 3,152.10, 4,728.15 and 3,152.10

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Solution

The fourth proportional to 3,152.10, 4,728.15 and 3,152.10 is: 4,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.10 : 4,728.15 = 3,152.10 : x
  2. Step 2: Convert to fraction form
    3,152.10/4,728.15 = 3,152.10/x
  3. Step 3: Cross multiply
    3,152.10x = 4,728.15 × 3,152.10
  4. Step 4: Simplify right side
    3,152.10x = 14,903,601.62
  5. Step 5: Solve for x
    x = 14,903,601.62/3,152.10
  6. Step 6: Final answer
    x = 4,728.15

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Half scale
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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.