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Finding the Fourth Proportional to 69,207.56, 95,406.90 and 49,301

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Solution

The fourth proportional to 69,207.56, 95,406.90 and 49,301 is: 67,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,207.56 : 95,406.90 = 49,301 : x
  2. Step 2: Convert to fraction form
    69,207.56/95,406.90 = 49,301/x
  3. Step 3: Cross multiply
    69,207.56x = 95,406.90 × 49,301
  4. Step 4: Simplify right side
    69,207.56x = 4,703,655,576.90
  5. Step 5: Solve for x
    x = 4,703,655,576.90/69,207.56
  6. Step 6: Final answer
    x = 67,964.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.