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Finding the Fourth Proportional to 40,654.51, 60,937.27 and 20,934.25

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Solution

The fourth proportional to 40,654.51, 60,937.27 and 20,934.25 is: 31,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,654.51 : 60,937.27 = 20,934.25 : x
  2. Step 2: Convert to fraction form
    40,654.51/60,937.27 = 20,934.25/x
  3. Step 3: Cross multiply
    40,654.51x = 60,937.27 × 20,934.25
  4. Step 4: Simplify right side
    40,654.51x = 1,275,675,635.14
  5. Step 5: Solve for x
    x = 1,275,675,635.14/40,654.51
  6. Step 6: Final answer
    x = 31,378.46

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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.