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Finding the Fourth Proportional to 48,707.66, 73,060.68 and 15,427.66

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Solution

The fourth proportional to 48,707.66, 73,060.68 and 15,427.66 is: 23,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,707.66 : 73,060.68 = 15,427.66 : x
  2. Step 2: Convert to fraction form
    48,707.66/73,060.68 = 15,427.66/x
  3. Step 3: Cross multiply
    48,707.66x = 73,060.68 × 15,427.66
  4. Step 4: Simplify right side
    48,707.66x = 1,127,155,330.41
  5. Step 5: Solve for x
    x = 1,127,155,330.41/48,707.66
  6. Step 6: Final answer
    x = 23,141.23

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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.