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Finding the Fourth Proportional to 58,144.64, 87,215.13 and 16,591.64

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Solution

The fourth proportional to 58,144.64, 87,215.13 and 16,591.64 is: 24,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,144.64 : 87,215.13 = 16,591.64 : x
  2. Step 2: Convert to fraction form
    58,144.64/87,215.13 = 16,591.64/x
  3. Step 3: Cross multiply
    58,144.64x = 87,215.13 × 16,591.64
  4. Step 4: Simplify right side
    58,144.64x = 1,447,041,603.44
  5. Step 5: Solve for x
    x = 1,447,041,603.44/58,144.64
  6. Step 6: Final answer
    x = 24,886.93

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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.