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Finding the Fourth Proportional to 67,560.75, 101,341.13 and 18,312.75

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Solution

The fourth proportional to 67,560.75, 101,341.13 and 18,312.75 is: 27,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,560.75 : 101,341.13 = 18,312.75 : x
  2. Step 2: Convert to fraction form
    67,560.75/101,341.13 = 18,312.75/x
  3. Step 3: Cross multiply
    67,560.75x = 101,341.13 × 18,312.75
  4. Step 4: Simplify right side
    67,560.75x = 1,855,834,686.84
  5. Step 5: Solve for x
    x = 1,855,834,686.84/67,560.75
  6. Step 6: Final answer
    x = 27,469.13

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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.