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Finding the Fourth Proportional to 52,658.79, 72,648.75 and 32,480.64

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Solution

The fourth proportional to 52,658.79, 72,648.75 and 32,480.64 is: 44,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,658.79 : 72,648.75 = 32,480.64 : x
  2. Step 2: Convert to fraction form
    52,658.79/72,648.75 = 32,480.64/x
  3. Step 3: Cross multiply
    52,658.79x = 72,648.75 × 32,480.64
  4. Step 4: Simplify right side
    52,658.79x = 2,359,677,895.20
  5. Step 5: Solve for x
    x = 2,359,677,895.20/52,658.79
  6. Step 6: Final answer
    x = 44,810.71

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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.