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Finding the Fourth Proportional to 6,556.69, 9,048.12 and 3,572.55

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Solution

The fourth proportional to 6,556.69, 9,048.12 and 3,572.55 is: 4,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.69 : 9,048.12 = 3,572.55 : x
  2. Step 2: Convert to fraction form
    6,556.69/9,048.12 = 3,572.55/x
  3. Step 3: Cross multiply
    6,556.69x = 9,048.12 × 3,572.55
  4. Step 4: Simplify right side
    6,556.69x = 32,324,861.11
  5. Step 5: Solve for x
    x = 32,324,861.11/6,556.69
  6. Step 6: Final answer
    x = 4,930.06

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Half scale
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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.