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Finding the Fourth Proportional to 29,385.71, 44,078.25 and 7,199.20

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Solution

The fourth proportional to 29,385.71, 44,078.25 and 7,199.20 is: 10,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.71 : 44,078.25 = 7,199.20 : x
  2. Step 2: Convert to fraction form
    29,385.71/44,078.25 = 7,199.20/x
  3. Step 3: Cross multiply
    29,385.71x = 44,078.25 × 7,199.20
  4. Step 4: Simplify right side
    29,385.71x = 317,327,917.01
  5. Step 5: Solve for x
    x = 317,327,917.01/29,385.71
  6. Step 6: Final answer
    x = 10,798.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.