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Finding the Fourth Proportional to 5,650.76, 7,798.02 and 3,132.86

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Solution

The fourth proportional to 5,650.76, 7,798.02 and 3,132.86 is: 4,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.76 : 7,798.02 = 3,132.86 : x
  2. Step 2: Convert to fraction form
    5,650.76/7,798.02 = 3,132.86/x
  3. Step 3: Cross multiply
    5,650.76x = 7,798.02 × 3,132.86
  4. Step 4: Simplify right side
    5,650.76x = 24,430,104.94
  5. Step 5: Solve for x
    x = 24,430,104.94/5,650.76
  6. Step 6: Final answer
    x = 4,323.33

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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.