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Finding the Fourth Proportional to 52,397.88, 72,314.54 and 29,742.99

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Solution

The fourth proportional to 52,397.88, 72,314.54 and 29,742.99 is: 41,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,397.88 : 72,314.54 = 29,742.99 : x
  2. Step 2: Convert to fraction form
    52,397.88/72,314.54 = 29,742.99/x
  3. Step 3: Cross multiply
    52,397.88x = 72,314.54 × 29,742.99
  4. Step 4: Simplify right side
    52,397.88x = 2,150,850,129.79
  5. Step 5: Solve for x
    x = 2,150,850,129.79/52,397.88
  6. Step 6: Final answer
    x = 41,048.42

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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.