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Finding the Fourth Proportional to 7,000.68, 10,500.66 and 3,537.84

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Solution

The fourth proportional to 7,000.68, 10,500.66 and 3,537.84 is: 5,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.68 : 10,500.66 = 3,537.84 : x
  2. Step 2: Convert to fraction form
    7,000.68/10,500.66 = 3,537.84/x
  3. Step 3: Cross multiply
    7,000.68x = 10,500.66 × 3,537.84
  4. Step 4: Simplify right side
    7,000.68x = 37,149,654.97
  5. Step 5: Solve for x
    x = 37,149,654.97/7,000.68
  6. Step 6: Final answer
    x = 5,306.58

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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.