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Finding the Fourth Proportional to 10,542.97, 14,550.05 and 5,827.15

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Solution

The fourth proportional to 10,542.97, 14,550.05 and 5,827.15 is: 8,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.97 : 14,550.05 = 5,827.15 : x
  2. Step 2: Convert to fraction form
    10,542.97/14,550.05 = 5,827.15/x
  3. Step 3: Cross multiply
    10,542.97x = 14,550.05 × 5,827.15
  4. Step 4: Simplify right side
    10,542.97x = 84,785,221.97
  5. Step 5: Solve for x
    x = 84,785,221.97/10,542.97
  6. Step 6: Final answer
    x = 8,041.88

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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.