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Finding the Fourth Proportional to 61,486.68, 92,210.98 and 40,425.56

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Solution

The fourth proportional to 61,486.68, 92,210.98 and 40,425.56 is: 60,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.68 : 92,210.98 = 40,425.56 : x
  2. Step 2: Convert to fraction form
    61,486.68/92,210.98 = 40,425.56/x
  3. Step 3: Cross multiply
    61,486.68x = 92,210.98 × 40,425.56
  4. Step 4: Simplify right side
    61,486.68x = 3,727,680,504.65
  5. Step 5: Solve for x
    x = 3,727,680,504.65/61,486.68
  6. Step 6: Final answer
    x = 60,625.82

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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.