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Finding the Fourth Proportional to 10,039.85, 13,854.97 and 5,502.64

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Solution

The fourth proportional to 10,039.85, 13,854.97 and 5,502.64 is: 7,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.85 : 13,854.97 = 5,502.64 : x
  2. Step 2: Convert to fraction form
    10,039.85/13,854.97 = 5,502.64/x
  3. Step 3: Cross multiply
    10,039.85x = 13,854.97 × 5,502.64
  4. Step 4: Simplify right side
    10,039.85x = 76,238,910.34
  5. Step 5: Solve for x
    x = 76,238,910.34/10,039.85
  6. Step 6: Final answer
    x = 7,593.63

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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.