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Finding the Fourth Proportional to 71,522.64, 98,740.89 and 63,950.76

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Solution

The fourth proportional to 71,522.64, 98,740.89 and 63,950.76 is: 88,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,522.64 : 98,740.89 = 63,950.76 : x
  2. Step 2: Convert to fraction form
    71,522.64/98,740.89 = 63,950.76/x
  3. Step 3: Cross multiply
    71,522.64x = 98,740.89 × 63,950.76
  4. Step 4: Simplify right side
    71,522.64x = 6,314,554,958.58
  5. Step 5: Solve for x
    x = 6,314,554,958.58/71,522.64
  6. Step 6: Final answer
    x = 88,287.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.