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Finding the Fourth Proportional to 48,625.92, 72,505.80 and 48,532.95

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Solution

The fourth proportional to 48,625.92, 72,505.80 and 48,532.95 is: 72,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,625.92 : 72,505.80 = 48,532.95 : x
  2. Step 2: Convert to fraction form
    48,625.92/72,505.80 = 48,532.95/x
  3. Step 3: Cross multiply
    48,625.92x = 72,505.80 × 48,532.95
  4. Step 4: Simplify right side
    48,625.92x = 3,518,920,366.11
  5. Step 5: Solve for x
    x = 3,518,920,366.11/48,625.92
  6. Step 6: Final answer
    x = 72,367.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.