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Finding the Fourth Proportional to 48,643.92, 67,119.12 and 29,767.68

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Solution

The fourth proportional to 48,643.92, 67,119.12 and 29,767.68 is: 41,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.92 : 67,119.12 = 29,767.68 : x
  2. Step 2: Convert to fraction form
    48,643.92/67,119.12 = 29,767.68/x
  3. Step 3: Cross multiply
    48,643.92x = 67,119.12 × 29,767.68
  4. Step 4: Simplify right side
    48,643.92x = 1,997,980,486.04
  5. Step 5: Solve for x
    x = 1,997,980,486.04/48,643.92
  6. Step 6: Final answer
    x = 41,073.59

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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.