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Finding the Fourth Proportional to 48,058.68, 72,062.10 and 18,483.96

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Solution

The fourth proportional to 48,058.68, 72,062.10 and 18,483.96 is: 27,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,058.68 : 72,062.10 = 18,483.96 : x
  2. Step 2: Convert to fraction form
    48,058.68/72,062.10 = 18,483.96/x
  3. Step 3: Cross multiply
    48,058.68x = 72,062.10 × 18,483.96
  4. Step 4: Simplify right side
    48,058.68x = 1,331,992,973.92
  5. Step 5: Solve for x
    x = 1,331,992,973.92/48,058.68
  6. Step 6: Final answer
    x = 27,715.97

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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.