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Finding the Fourth Proportional to 63,532.40, 87,673.41 and 39,326.97

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Solution

The fourth proportional to 63,532.40, 87,673.41 and 39,326.97 is: 54,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,532.40 : 87,673.41 = 39,326.97 : x
  2. Step 2: Convert to fraction form
    63,532.40/87,673.41 = 39,326.97/x
  3. Step 3: Cross multiply
    63,532.40x = 87,673.41 × 39,326.97
  4. Step 4: Simplify right side
    63,532.40x = 3,447,929,564.87
  5. Step 5: Solve for x
    x = 3,447,929,564.87/63,532.40
  6. Step 6: Final answer
    x = 54,270.41

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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.