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Finding the Fourth Proportional to 6,756.70, 10,043.88 and 6,557.38

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Solution

The fourth proportional to 6,756.70, 10,043.88 and 6,557.38 is: 9,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,756.70 : 10,043.88 = 6,557.38 : x
  2. Step 2: Convert to fraction form
    6,756.70/10,043.88 = 6,557.38/x
  3. Step 3: Cross multiply
    6,756.70x = 10,043.88 × 6,557.38
  4. Step 4: Simplify right side
    6,756.70x = 65,861,537.83
  5. Step 5: Solve for x
    x = 65,861,537.83/6,756.70
  6. Step 6: Final answer
    x = 9,747.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.