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Finding the Fourth Proportional to 5,507.22, 7,601.99 and 4,022.76

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Solution

The fourth proportional to 5,507.22, 7,601.99 and 4,022.76 is: 5,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.22 : 7,601.99 = 4,022.76 : x
  2. Step 2: Convert to fraction form
    5,507.22/7,601.99 = 4,022.76/x
  3. Step 3: Cross multiply
    5,507.22x = 7,601.99 × 4,022.76
  4. Step 4: Simplify right side
    5,507.22x = 30,580,961.18
  5. Step 5: Solve for x
    x = 30,580,961.18/5,507.22
  6. Step 6: Final answer
    x = 5,552.89

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Half scale
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Double scale
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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.