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Finding the Fourth Proportional to 61,668.07, 92,502.10 and 14,920.94

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Solution

The fourth proportional to 61,668.07, 92,502.10 and 14,920.94 is: 22,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.07 : 92,502.10 = 14,920.94 : x
  2. Step 2: Convert to fraction form
    61,668.07/92,502.10 = 14,920.94/x
  3. Step 3: Cross multiply
    61,668.07x = 92,502.10 × 14,920.94
  4. Step 4: Simplify right side
    61,668.07x = 1,380,218,321.28
  5. Step 5: Solve for x
    x = 1,380,218,321.28/61,668.07
  6. Step 6: Final answer
    x = 22,381.41

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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.