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Finding the Fourth Proportional to 54,558, 75,290.85 and 33,332.76

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Solution

The fourth proportional to 54,558, 75,290.85 and 33,332.76 is: 45,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558 : 75,290.85 = 33,332.76 : x
  2. Step 2: Convert to fraction form
    54,558/75,290.85 = 33,332.76/x
  3. Step 3: Cross multiply
    54,558x = 75,290.85 × 33,332.76
  4. Step 4: Simplify right side
    54,558x = 2,509,651,833.25
  5. Step 5: Solve for x
    x = 2,509,651,833.25/54,558
  6. Step 6: Final answer
    x = 45,999.70

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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.