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Finding the Fourth Proportional to 67,809.91, 101,700.96 and 25,675.46

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Solution

The fourth proportional to 67,809.91, 101,700.96 and 25,675.46 is: 38,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,809.91 : 101,700.96 = 25,675.46 : x
  2. Step 2: Convert to fraction form
    67,809.91/101,700.96 = 25,675.46/x
  3. Step 3: Cross multiply
    67,809.91x = 101,700.96 × 25,675.46
  4. Step 4: Simplify right side
    67,809.91x = 2,611,218,421.94
  5. Step 5: Solve for x
    x = 2,611,218,421.94/67,809.91
  6. Step 6: Final answer
    x = 38,507.92

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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.