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Finding the Fourth Proportional to 5,550.81, 7,660.07 and 3,032.92

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Solution

The fourth proportional to 5,550.81, 7,660.07 and 3,032.92 is: 4,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.81 : 7,660.07 = 3,032.92 : x
  2. Step 2: Convert to fraction form
    5,550.81/7,660.07 = 3,032.92/x
  3. Step 3: Cross multiply
    5,550.81x = 7,660.07 × 3,032.92
  4. Step 4: Simplify right side
    5,550.81x = 23,232,402.35
  5. Step 5: Solve for x
    x = 23,232,402.35/5,550.81
  6. Step 6: Final answer
    x = 4,185.41

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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.