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Finding the Fourth Proportional to 39,641.97, 54,697.37 and 22,865.25

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Solution

The fourth proportional to 39,641.97, 54,697.37 and 22,865.25 is: 31,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,641.97 : 54,697.37 = 22,865.25 : x
  2. Step 2: Convert to fraction form
    39,641.97/54,697.37 = 22,865.25/x
  3. Step 3: Cross multiply
    39,641.97x = 54,697.37 × 22,865.25
  4. Step 4: Simplify right side
    39,641.97x = 1,250,668,925.07
  5. Step 5: Solve for x
    x = 1,250,668,925.07/39,641.97
  6. Step 6: Final answer
    x = 31,549.11

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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.