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Finding the Fourth Proportional to 58,087.95, 87,125.01 and 15,972.32

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Solution

The fourth proportional to 58,087.95, 87,125.01 and 15,972.32 is: 23,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,087.95 : 87,125.01 = 15,972.32 : x
  2. Step 2: Convert to fraction form
    58,087.95/87,125.01 = 15,972.32/x
  3. Step 3: Cross multiply
    58,087.95x = 87,125.01 × 15,972.32
  4. Step 4: Simplify right side
    58,087.95x = 1,391,588,104.10
  5. Step 5: Solve for x
    x = 1,391,588,104.10/58,087.95
  6. Step 6: Final answer
    x = 23,956.57

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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.