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Finding the Fourth Proportional to 71,387.10, 107,005.29 and 23,957.22

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Solution

The fourth proportional to 71,387.10, 107,005.29 and 23,957.22 is: 35,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,387.10 : 107,005.29 = 23,957.22 : x
  2. Step 2: Convert to fraction form
    71,387.10/107,005.29 = 23,957.22/x
  3. Step 3: Cross multiply
    71,387.10x = 107,005.29 × 23,957.22
  4. Step 4: Simplify right side
    71,387.10x = 2,563,549,585.12
  5. Step 5: Solve for x
    x = 2,563,549,585.12/71,387.10
  6. Step 6: Final answer
    x = 35,910.54

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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.