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Finding the Fourth Proportional to 16,229.50, 24,344.25 and 5,285.50

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Solution

The fourth proportional to 16,229.50, 24,344.25 and 5,285.50 is: 7,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,229.50 : 24,344.25 = 5,285.50 : x
  2. Step 2: Convert to fraction form
    16,229.50/24,344.25 = 5,285.50/x
  3. Step 3: Cross multiply
    16,229.50x = 24,344.25 × 5,285.50
  4. Step 4: Simplify right side
    16,229.50x = 128,671,533.38
  5. Step 5: Solve for x
    x = 128,671,533.38/16,229.50
  6. Step 6: Final answer
    x = 7,928.25

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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.