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Finding the Fourth Proportional to 61,748.24, 92,770.13 and 39,604.86

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Solution

The fourth proportional to 61,748.24, 92,770.13 and 39,604.86 is: 59,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,748.24 : 92,770.13 = 39,604.86 : x
  2. Step 2: Convert to fraction form
    61,748.24/92,770.13 = 39,604.86/x
  3. Step 3: Cross multiply
    61,748.24x = 92,770.13 × 39,604.86
  4. Step 4: Simplify right side
    61,748.24x = 3,674,148,010.83
  5. Step 5: Solve for x
    x = 3,674,148,010.83/61,748.24
  6. Step 6: Final answer
    x = 59,502.07

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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.