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Finding the Fourth Proportional to 6,628.70, 9,943.05 and 6,337.10

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Solution

The fourth proportional to 6,628.70, 9,943.05 and 6,337.10 is: 9,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.70 : 9,943.05 = 6,337.10 : x
  2. Step 2: Convert to fraction form
    6,628.70/9,943.05 = 6,337.10/x
  3. Step 3: Cross multiply
    6,628.70x = 9,943.05 × 6,337.10
  4. Step 4: Simplify right side
    6,628.70x = 63,010,102.16
  5. Step 5: Solve for x
    x = 63,010,102.16/6,628.70
  6. Step 6: Final answer
    x = 9,505.65

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Half scale
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Double scale
Find fourth proportional to 6,629.70, 9,944.55 and 6,338.10
Similar ratio
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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.