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Finding the Fourth Proportional to 58,877.01, 88,315.78 and 18,902.07

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Solution

The fourth proportional to 58,877.01, 88,315.78 and 18,902.07 is: 28,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,877.01 : 88,315.78 = 18,902.07 : x
  2. Step 2: Convert to fraction form
    58,877.01/88,315.78 = 18,902.07/x
  3. Step 3: Cross multiply
    58,877.01x = 88,315.78 × 18,902.07
  4. Step 4: Simplify right side
    58,877.01x = 1,669,350,972.97
  5. Step 5: Solve for x
    x = 1,669,350,972.97/58,877.01
  6. Step 6: Final answer
    x = 28,353.19

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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.