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Finding the Fourth Proportional to 58,050.62, 87,076.02 and 15,931.28

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Solution

The fourth proportional to 58,050.62, 87,076.02 and 15,931.28 is: 23,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,050.62 : 87,076.02 = 15,931.28 : x
  2. Step 2: Convert to fraction form
    58,050.62/87,076.02 = 15,931.28/x
  3. Step 3: Cross multiply
    58,050.62x = 87,076.02 × 15,931.28
  4. Step 4: Simplify right side
    58,050.62x = 1,387,232,020.53
  5. Step 5: Solve for x
    x = 1,387,232,020.53/58,050.62
  6. Step 6: Final answer
    x = 23,896.94

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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.