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Finding the Fourth Proportional to 68,332.39, 94,301.04 and 39,649.89

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Solution

The fourth proportional to 68,332.39, 94,301.04 and 39,649.89 is: 54,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,332.39 : 94,301.04 = 39,649.89 : x
  2. Step 2: Convert to fraction form
    68,332.39/94,301.04 = 39,649.89/x
  3. Step 3: Cross multiply
    68,332.39x = 94,301.04 × 39,649.89
  4. Step 4: Simplify right side
    68,332.39x = 3,739,025,862.89
  5. Step 5: Solve for x
    x = 3,739,025,862.89/68,332.39
  6. Step 6: Final answer
    x = 54,718.21

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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.