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Finding the Fourth Proportional to 71,013.69, 106,487.73 and 26,608.68

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Solution

The fourth proportional to 71,013.69, 106,487.73 and 26,608.68 is: 39,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.69 : 106,487.73 = 26,608.68 : x
  2. Step 2: Convert to fraction form
    71,013.69/106,487.73 = 26,608.68/x
  3. Step 3: Cross multiply
    71,013.69x = 106,487.73 × 26,608.68
  4. Step 4: Simplify right side
    71,013.69x = 2,833,497,931.50
  5. Step 5: Solve for x
    x = 2,833,497,931.50/71,013.69
  6. Step 6: Final answer
    x = 39,900.73

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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.