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Finding the Fourth Proportional to 61,617.74, 92,426.61 and 14,870.61

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Solution

The fourth proportional to 61,617.74, 92,426.61 and 14,870.61 is: 22,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,617.74 : 92,426.61 = 14,870.61 : x
  2. Step 2: Convert to fraction form
    61,617.74/92,426.61 = 14,870.61/x
  3. Step 3: Cross multiply
    61,617.74x = 92,426.61 × 14,870.61
  4. Step 4: Simplify right side
    61,617.74x = 1,374,440,070.93
  5. Step 5: Solve for x
    x = 1,374,440,070.93/61,617.74
  6. Step 6: Final answer
    x = 22,305.92

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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.