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Finding the Fourth Proportional to 52,470.41, 72,407.03 and 28,596.56

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Solution

The fourth proportional to 52,470.41, 72,407.03 and 28,596.56 is: 39,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,470.41 : 72,407.03 = 28,596.56 : x
  2. Step 2: Convert to fraction form
    52,470.41/72,407.03 = 28,596.56/x
  3. Step 3: Cross multiply
    52,470.41x = 72,407.03 × 28,596.56
  4. Step 4: Simplify right side
    52,470.41x = 2,070,591,472.80
  5. Step 5: Solve for x
    x = 2,070,591,472.80/52,470.41
  6. Step 6: Final answer
    x = 39,462.08

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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.