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Finding the Fourth Proportional to 58,868.68, 81,239.18 and 32,011.48

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Solution

The fourth proportional to 58,868.68, 81,239.18 and 32,011.48 is: 44,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,868.68 : 81,239.18 = 32,011.48 : x
  2. Step 2: Convert to fraction form
    58,868.68/81,239.18 = 32,011.48/x
  3. Step 3: Cross multiply
    58,868.68x = 81,239.18 × 32,011.48
  4. Step 4: Simplify right side
    58,868.68x = 2,600,586,385.79
  5. Step 5: Solve for x
    x = 2,600,586,385.79/58,868.68
  6. Step 6: Final answer
    x = 44,176.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.