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Finding the Fourth Proportional to 52,291.50, 72,161.02 and 29,319.79

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Solution

The fourth proportional to 52,291.50, 72,161.02 and 29,319.79 is: 40,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.50 : 72,161.02 = 29,319.79 : x
  2. Step 2: Convert to fraction form
    52,291.50/72,161.02 = 29,319.79/x
  3. Step 3: Cross multiply
    52,291.50x = 72,161.02 × 29,319.79
  4. Step 4: Simplify right side
    52,291.50x = 2,115,745,952.59
  5. Step 5: Solve for x
    x = 2,115,745,952.59/52,291.50
  6. Step 6: Final answer
    x = 40,460.61

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1.5x scale

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.