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Finding the Fourth Proportional to 48,967.80, 73,454.10 and 25,639.80

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Solution

The fourth proportional to 48,967.80, 73,454.10 and 25,639.80 is: 38,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,967.80 : 73,454.10 = 25,639.80 : x
  2. Step 2: Convert to fraction form
    48,967.80/73,454.10 = 25,639.80/x
  3. Step 3: Cross multiply
    48,967.80x = 73,454.10 × 25,639.80
  4. Step 4: Simplify right side
    48,967.80x = 1,883,348,433.18
  5. Step 5: Solve for x
    x = 1,883,348,433.18/48,967.80
  6. Step 6: Final answer
    x = 38,460.96

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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.