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Finding the Fourth Proportional to 59,862.72, 89,795.36 and 18,309.76

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Solution

The fourth proportional to 59,862.72, 89,795.36 and 18,309.76 is: 27,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,862.72 : 89,795.36 = 18,309.76 : x
  2. Step 2: Convert to fraction form
    59,862.72/89,795.36 = 18,309.76/x
  3. Step 3: Cross multiply
    59,862.72x = 89,795.36 × 18,309.76
  4. Step 4: Simplify right side
    59,862.72x = 1,644,131,490.71
  5. Step 5: Solve for x
    x = 1,644,131,490.71/59,862.72
  6. Step 6: Final answer
    x = 27,465.03

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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.