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Finding the Fourth Proportional to 66,958.68, 100,438.02 and 29,510.76

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Solution

The fourth proportional to 66,958.68, 100,438.02 and 29,510.76 is: 44,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.68 : 100,438.02 = 29,510.76 : x
  2. Step 2: Convert to fraction form
    66,958.68/100,438.02 = 29,510.76/x
  3. Step 3: Cross multiply
    66,958.68x = 100,438.02 × 29,510.76
  4. Step 4: Simplify right side
    66,958.68x = 2,964,002,303.10
  5. Step 5: Solve for x
    x = 2,964,002,303.10/66,958.68
  6. Step 6: Final answer
    x = 44,266.14

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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.