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Finding the Fourth Proportional to 60,965.92, 84,131.04 and 34,108.90

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Solution

The fourth proportional to 60,965.92, 84,131.04 and 34,108.90 is: 47,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,965.92 : 84,131.04 = 34,108.90 : x
  2. Step 2: Convert to fraction form
    60,965.92/84,131.04 = 34,108.90/x
  3. Step 3: Cross multiply
    60,965.92x = 84,131.04 × 34,108.90
  4. Step 4: Simplify right side
    60,965.92x = 2,869,617,230.26
  5. Step 5: Solve for x
    x = 2,869,617,230.26/60,965.92
  6. Step 6: Final answer
    x = 47,069.20

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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.