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Finding the Fourth Proportional to 8,288.10, 12,432.15 and 6,101.10

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Solution

The fourth proportional to 8,288.10, 12,432.15 and 6,101.10 is: 9,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.10 : 12,432.15 = 6,101.10 : x
  2. Step 2: Convert to fraction form
    8,288.10/12,432.15 = 6,101.10/x
  3. Step 3: Cross multiply
    8,288.10x = 12,432.15 × 6,101.10
  4. Step 4: Simplify right side
    8,288.10x = 75,849,790.37
  5. Step 5: Solve for x
    x = 75,849,790.37/8,288.10
  6. Step 6: Final answer
    x = 9,151.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.