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Finding the Fourth Proportional to 48,468.49, 72,702.74 and 15,191.13

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Solution

The fourth proportional to 48,468.49, 72,702.74 and 15,191.13 is: 22,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,468.49 : 72,702.74 = 15,191.13 : x
  2. Step 2: Convert to fraction form
    48,468.49/72,702.74 = 15,191.13/x
  3. Step 3: Cross multiply
    48,468.49x = 72,702.74 × 15,191.13
  4. Step 4: Simplify right side
    48,468.49x = 1,104,436,812.67
  5. Step 5: Solve for x
    x = 1,104,436,812.67/48,468.49
  6. Step 6: Final answer
    x = 22,786.70

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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.