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Finding the Fourth Proportional to 6,605.82, 9,113.04 and 5,281.38

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Solution

The fourth proportional to 6,605.82, 9,113.04 and 5,281.38 is: 7,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.82 : 9,113.04 = 5,281.38 : x
  2. Step 2: Convert to fraction form
    6,605.82/9,113.04 = 5,281.38/x
  3. Step 3: Cross multiply
    6,605.82x = 9,113.04 × 5,281.38
  4. Step 4: Simplify right side
    6,605.82x = 48,129,427.20
  5. Step 5: Solve for x
    x = 48,129,427.20/6,605.82
  6. Step 6: Final answer
    x = 7,285.91

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.