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Finding the Fourth Proportional to 54,532.80, 75,230.64 and 34,375.68

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Solution

The fourth proportional to 54,532.80, 75,230.64 and 34,375.68 is: 47,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,532.80 : 75,230.64 = 34,375.68 : x
  2. Step 2: Convert to fraction form
    54,532.80/75,230.64 = 34,375.68/x
  3. Step 3: Cross multiply
    54,532.80x = 75,230.64 × 34,375.68
  4. Step 4: Simplify right side
    54,532.80x = 2,586,104,406.84
  5. Step 5: Solve for x
    x = 2,586,104,406.84/54,532.80
  6. Step 6: Final answer
    x = 47,422.92

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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.