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Finding the Fourth Proportional to 57,481, 79,328.34 and 32,332.36

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Solution

The fourth proportional to 57,481, 79,328.34 and 32,332.36 is: 44,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,481 : 79,328.34 = 32,332.36 : x
  2. Step 2: Convert to fraction form
    57,481/79,328.34 = 32,332.36/x
  3. Step 3: Cross multiply
    57,481x = 79,328.34 × 32,332.36
  4. Step 4: Simplify right side
    57,481x = 2,564,872,447.08
  5. Step 5: Solve for x
    x = 2,564,872,447.08/57,481
  6. Step 6: Final answer
    x = 44,621.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.