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Finding the Fourth Proportional to 48,679, 67,116.10 and 40,624.24

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Solution

The fourth proportional to 48,679, 67,116.10 and 40,624.24 is: 56,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679 : 67,116.10 = 40,624.24 : x
  2. Step 2: Convert to fraction form
    48,679/67,116.10 = 40,624.24/x
  3. Step 3: Cross multiply
    48,679x = 67,116.10 × 40,624.24
  4. Step 4: Simplify right side
    48,679x = 2,726,540,554.26
  5. Step 5: Solve for x
    x = 2,726,540,554.26/48,679
  6. Step 6: Final answer
    x = 56,010.61

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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.