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Finding the Fourth Proportional to 54,897.92, 75,711.60 and 35,770.44

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Solution

The fourth proportional to 54,897.92, 75,711.60 and 35,770.44 is: 49,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,897.92 : 75,711.60 = 35,770.44 : x
  2. Step 2: Convert to fraction form
    54,897.92/75,711.60 = 35,770.44/x
  3. Step 3: Cross multiply
    54,897.92x = 75,711.60 × 35,770.44
  4. Step 4: Simplify right side
    54,897.92x = 2,708,237,245.10
  5. Step 5: Solve for x
    x = 2,708,237,245.10/54,897.92
  6. Step 6: Final answer
    x = 49,332.24

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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.