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Finding the Fourth Proportional to 66,713.91, 100,070.61 and 26,750.76

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Solution

The fourth proportional to 66,713.91, 100,070.61 and 26,750.76 is: 40,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.91 : 100,070.61 = 26,750.76 : x
  2. Step 2: Convert to fraction form
    66,713.91/100,070.61 = 26,750.76/x
  3. Step 3: Cross multiply
    66,713.91x = 100,070.61 × 26,750.76
  4. Step 4: Simplify right side
    66,713.91x = 2,676,964,871.16
  5. Step 5: Solve for x
    x = 2,676,964,871.16/66,713.91
  6. Step 6: Final answer
    x = 40,126.04

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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.