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Finding the Fourth Proportional to 6,358.70, 9,538.66 and 1,974.98

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Solution

The fourth proportional to 6,358.70, 9,538.66 and 1,974.98 is: 2,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.70 : 9,538.66 = 1,974.98 : x
  2. Step 2: Convert to fraction form
    6,358.70/9,538.66 = 1,974.98/x
  3. Step 3: Cross multiply
    6,358.70x = 9,538.66 × 1,974.98
  4. Step 4: Simplify right side
    6,358.70x = 18,838,615.03
  5. Step 5: Solve for x
    x = 18,838,615.03/6,358.70
  6. Step 6: Final answer
    x = 2,962.65

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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.