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Finding the Fourth Proportional to 56,845.92, 78,454.50 and 32,654.46

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Solution

The fourth proportional to 56,845.92, 78,454.50 and 32,654.46 is: 45,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,845.92 : 78,454.50 = 32,654.46 : x
  2. Step 2: Convert to fraction form
    56,845.92/78,454.50 = 32,654.46/x
  3. Step 3: Cross multiply
    56,845.92x = 78,454.50 × 32,654.46
  4. Step 4: Simplify right side
    56,845.92x = 2,561,889,332.07
  5. Step 5: Solve for x
    x = 2,561,889,332.07/56,845.92
  6. Step 6: Final answer
    x = 45,067.25

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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.