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Finding the Fourth Proportional to 71,706.29, 107,566.47 and 26,126.39

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Solution

The fourth proportional to 71,706.29, 107,566.47 and 26,126.39 is: 39,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,706.29 : 107,566.47 = 26,126.39 : x
  2. Step 2: Convert to fraction form
    71,706.29/107,566.47 = 26,126.39/x
  3. Step 3: Cross multiply
    71,706.29x = 107,566.47 × 26,126.39
  4. Step 4: Simplify right side
    71,706.29x = 2,810,322,877.68
  5. Step 5: Solve for x
    x = 2,810,322,877.68/71,706.29
  6. Step 6: Final answer
    x = 39,192.14

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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.