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Finding the Fourth Proportional to 54,751.62, 75,562.10 and 30,882.94

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Solution

The fourth proportional to 54,751.62, 75,562.10 and 30,882.94 is: 42,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.62 : 75,562.10 = 30,882.94 : x
  2. Step 2: Convert to fraction form
    54,751.62/75,562.10 = 30,882.94/x
  3. Step 3: Cross multiply
    54,751.62x = 75,562.10 × 30,882.94
  4. Step 4: Simplify right side
    54,751.62x = 2,333,579,800.57
  5. Step 5: Solve for x
    x = 2,333,579,800.57/54,751.62
  6. Step 6: Final answer
    x = 42,621.20

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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.