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Finding the Fourth Proportional to 8,410.92, 11,600.76 and 5,573.28

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Solution

The fourth proportional to 8,410.92, 11,600.76 and 5,573.28 is: 7,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.92 : 11,600.76 = 5,573.28 : x
  2. Step 2: Convert to fraction form
    8,410.92/11,600.76 = 5,573.28/x
  3. Step 3: Cross multiply
    8,410.92x = 11,600.76 × 5,573.28
  4. Step 4: Simplify right side
    8,410.92x = 64,654,283.69
  5. Step 5: Solve for x
    x = 64,654,283.69/8,410.92
  6. Step 6: Final answer
    x = 7,686.95

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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.