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Finding the Fourth Proportional to 71,527, 107,255.76 and 21,597.52

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Solution

The fourth proportional to 71,527, 107,255.76 and 21,597.52 is: 32,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,527 : 107,255.76 = 21,597.52 : x
  2. Step 2: Convert to fraction form
    71,527/107,255.76 = 21,597.52/x
  3. Step 3: Cross multiply
    71,527x = 107,255.76 × 21,597.52
  4. Step 4: Simplify right side
    71,527x = 2,316,458,421.72
  5. Step 5: Solve for x
    x = 2,316,458,421.72/71,527
  6. Step 6: Final answer
    x = 32,385.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.