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Finding the Fourth Proportional to 67,479.82, 92,446.92 and 64,956.53

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Solution

The fourth proportional to 67,479.82, 92,446.92 and 64,956.53 is: 88,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,479.82 : 92,446.92 = 64,956.53 : x
  2. Step 2: Convert to fraction form
    67,479.82/92,446.92 = 64,956.53/x
  3. Step 3: Cross multiply
    67,479.82x = 92,446.92 × 64,956.53
  4. Step 4: Simplify right side
    67,479.82x = 6,005,031,363.50
  5. Step 5: Solve for x
    x = 6,005,031,363.50/67,479.82
  6. Step 6: Final answer
    x = 88,990.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.