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Finding the Fourth Proportional to 8,568.68, 12,853.02 and 3,019.10

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Solution

The fourth proportional to 8,568.68, 12,853.02 and 3,019.10 is: 4,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.68 : 12,853.02 = 3,019.10 : x
  2. Step 2: Convert to fraction form
    8,568.68/12,853.02 = 3,019.10/x
  3. Step 3: Cross multiply
    8,568.68x = 12,853.02 × 3,019.10
  4. Step 4: Simplify right side
    8,568.68x = 38,804,552.68
  5. Step 5: Solve for x
    x = 38,804,552.68/8,568.68
  6. Step 6: Final answer
    x = 4,528.65

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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.