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Finding the Fourth Proportional to 48,736.40, 73,047.90 and 22,443.80

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Solution

The fourth proportional to 48,736.40, 73,047.90 and 22,443.80 is: 33,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,736.40 : 73,047.90 = 22,443.80 : x
  2. Step 2: Convert to fraction form
    48,736.40/73,047.90 = 22,443.80/x
  3. Step 3: Cross multiply
    48,736.40x = 73,047.90 × 22,443.80
  4. Step 4: Simplify right side
    48,736.40x = 1,639,472,458.02
  5. Step 5: Solve for x
    x = 1,639,472,458.02/48,736.40
  6. Step 6: Final answer
    x = 33,639.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.