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Finding the Fourth Proportional to 61,440.84, 92,018.25 and 59,758.74

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Solution

The fourth proportional to 61,440.84, 92,018.25 and 59,758.74 is: 89,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,440.84 : 92,018.25 = 59,758.74 : x
  2. Step 2: Convert to fraction form
    61,440.84/92,018.25 = 59,758.74/x
  3. Step 3: Cross multiply
    61,440.84x = 92,018.25 × 59,758.74
  4. Step 4: Simplify right side
    61,440.84x = 5,498,894,677.01
  5. Step 5: Solve for x
    x = 5,498,894,677.01/61,440.84
  6. Step 6: Final answer
    x = 89,499.02

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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.