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Finding the Fourth Proportional to 58,479.84, 87,725.32 and 16,359.92

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Solution

The fourth proportional to 58,479.84, 87,725.32 and 16,359.92 is: 24,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479.84 : 87,725.32 = 16,359.92 : x
  2. Step 2: Convert to fraction form
    58,479.84/87,725.32 = 16,359.92/x
  3. Step 3: Cross multiply
    58,479.84x = 87,725.32 × 16,359.92
  4. Step 4: Simplify right side
    58,479.84x = 1,435,179,217.17
  5. Step 5: Solve for x
    x = 1,435,179,217.17/58,479.84
  6. Step 6: Final answer
    x = 24,541.44

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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.