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Finding the Fourth Proportional to 61,763.61, 92,650.13 and 19,645.94

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Solution

The fourth proportional to 61,763.61, 92,650.13 and 19,645.94 is: 29,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,763.61 : 92,650.13 = 19,645.94 : x
  2. Step 2: Convert to fraction form
    61,763.61/92,650.13 = 19,645.94/x
  3. Step 3: Cross multiply
    61,763.61x = 92,650.13 × 19,645.94
  4. Step 4: Simplify right side
    61,763.61x = 1,820,199,102.04
  5. Step 5: Solve for x
    x = 1,820,199,102.04/61,763.61
  6. Step 6: Final answer
    x = 29,470.41

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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.