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Finding the Fourth Proportional to 18,332.61, 27,502.97 and 6,645.53

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Solution

The fourth proportional to 18,332.61, 27,502.97 and 6,645.53 is: 9,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.61 : 27,502.97 = 6,645.53 : x
  2. Step 2: Convert to fraction form
    18,332.61/27,502.97 = 6,645.53/x
  3. Step 3: Cross multiply
    18,332.61x = 27,502.97 × 6,645.53
  4. Step 4: Simplify right side
    18,332.61x = 182,771,641.48
  5. Step 5: Solve for x
    x = 182,771,641.48/18,332.61
  6. Step 6: Final answer
    x = 9,969.76

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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.