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Finding the Fourth Proportional to 59,381.92, 89,077.56 and 19,938.88

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Solution

The fourth proportional to 59,381.92, 89,077.56 and 19,938.88 is: 29,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,381.92 : 89,077.56 = 19,938.88 : x
  2. Step 2: Convert to fraction form
    59,381.92/89,077.56 = 19,938.88/x
  3. Step 3: Cross multiply
    59,381.92x = 89,077.56 × 19,938.88
  4. Step 4: Simplify right side
    59,381.92x = 1,776,106,779.53
  5. Step 5: Solve for x
    x = 1,776,106,779.53/59,381.92
  6. Step 6: Final answer
    x = 29,909.89

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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.