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Finding the Fourth Proportional to 15,010.60, 22,513.86 and 3,918.16

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Solution

The fourth proportional to 15,010.60, 22,513.86 and 3,918.16 is: 5,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.60 : 22,513.86 = 3,918.16 : x
  2. Step 2: Convert to fraction form
    15,010.60/22,513.86 = 3,918.16/x
  3. Step 3: Cross multiply
    15,010.60x = 22,513.86 × 3,918.16
  4. Step 4: Simplify right side
    15,010.60x = 88,212,905.70
  5. Step 5: Solve for x
    x = 88,212,905.70/15,010.60
  6. Step 6: Final answer
    x = 5,876.71

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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.