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Finding the Fourth Proportional to 48,046.20, 72,047.70 and 18,454.20

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Solution

The fourth proportional to 48,046.20, 72,047.70 and 18,454.20 is: 27,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,046.20 : 72,047.70 = 18,454.20 : x
  2. Step 2: Convert to fraction form
    48,046.20/72,047.70 = 18,454.20/x
  3. Step 3: Cross multiply
    48,046.20x = 72,047.70 × 18,454.20
  4. Step 4: Simplify right side
    48,046.20x = 1,329,582,665.34
  5. Step 5: Solve for x
    x = 1,329,582,665.34/48,046.20
  6. Step 6: Final answer
    x = 27,673.00

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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.