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Finding the Fourth Proportional to 48,895.74, 67,418.97 and 45,352.80

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Solution

The fourth proportional to 48,895.74, 67,418.97 and 45,352.80 is: 62,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,895.74 : 67,418.97 = 45,352.80 : x
  2. Step 2: Convert to fraction form
    48,895.74/67,418.97 = 45,352.80/x
  3. Step 3: Cross multiply
    48,895.74x = 67,418.97 × 45,352.80
  4. Step 4: Simplify right side
    48,895.74x = 3,057,639,062.62
  5. Step 5: Solve for x
    x = 3,057,639,062.62/48,895.74
  6. Step 6: Final answer
    x = 62,533.85

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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.