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Finding the Fourth Proportional to 59,690.88, 89,363.40 and 44,961.84

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Solution

The fourth proportional to 59,690.88, 89,363.40 and 44,961.84 is: 67,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,690.88 : 89,363.40 = 44,961.84 : x
  2. Step 2: Convert to fraction form
    59,690.88/89,363.40 = 44,961.84/x
  3. Step 3: Cross multiply
    59,690.88x = 89,363.40 × 44,961.84
  4. Step 4: Simplify right side
    59,690.88x = 4,017,942,892.66
  5. Step 5: Solve for x
    x = 4,017,942,892.66/59,690.88
  6. Step 6: Final answer
    x = 67,312.51

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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.