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Finding the Fourth Proportional to 48,453.36, 67,054.68 and 47,287.92

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Solution

The fourth proportional to 48,453.36, 67,054.68 and 47,287.92 is: 65,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,453.36 : 67,054.68 = 47,287.92 : x
  2. Step 2: Convert to fraction form
    48,453.36/67,054.68 = 47,287.92/x
  3. Step 3: Cross multiply
    48,453.36x = 67,054.68 × 47,287.92
  4. Step 4: Simplify right side
    48,453.36x = 3,170,876,343.47
  5. Step 5: Solve for x
    x = 3,170,876,343.47/48,453.36
  6. Step 6: Final answer
    x = 65,441.83

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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.