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Finding the Fourth Proportional to 8,800.65, 12,146.81 and 5,816.76

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Solution

The fourth proportional to 8,800.65, 12,146.81 and 5,816.76 is: 8,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.65 : 12,146.81 = 5,816.76 : x
  2. Step 2: Convert to fraction form
    8,800.65/12,146.81 = 5,816.76/x
  3. Step 3: Cross multiply
    8,800.65x = 12,146.81 × 5,816.76
  4. Step 4: Simplify right side
    8,800.65x = 70,655,104.95
  5. Step 5: Solve for x
    x = 70,655,104.95/8,800.65
  6. Step 6: Final answer
    x = 8,028.40

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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.