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Finding the Fourth Proportional to 57,908.48, 86,866.08 and 16,352

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Solution

The fourth proportional to 57,908.48, 86,866.08 and 16,352 is: 24,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,908.48 : 86,866.08 = 16,352 : x
  2. Step 2: Convert to fraction form
    57,908.48/86,866.08 = 16,352/x
  3. Step 3: Cross multiply
    57,908.48x = 86,866.08 × 16,352
  4. Step 4: Simplify right side
    57,908.48x = 1,420,434,140.16
  5. Step 5: Solve for x
    x = 1,420,434,140.16/57,908.48
  6. Step 6: Final answer
    x = 24,528.95

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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.