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Finding the Fourth Proportional to 48,490.68, 72,736.02 and 15,215.88

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Solution

The fourth proportional to 48,490.68, 72,736.02 and 15,215.88 is: 22,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,490.68 : 72,736.02 = 15,215.88 : x
  2. Step 2: Convert to fraction form
    48,490.68/72,736.02 = 15,215.88/x
  3. Step 3: Cross multiply
    48,490.68x = 72,736.02 × 15,215.88
  4. Step 4: Simplify right side
    48,490.68x = 1,106,742,552.00
  5. Step 5: Solve for x
    x = 1,106,742,552.00/48,490.68
  6. Step 6: Final answer
    x = 22,823.82

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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.