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Finding the Fourth Proportional to 6,656.10, 9,984.15 and 2,039.10

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Solution

The fourth proportional to 6,656.10, 9,984.15 and 2,039.10 is: 3,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.10 : 9,984.15 = 2,039.10 : x
  2. Step 2: Convert to fraction form
    6,656.10/9,984.15 = 2,039.10/x
  3. Step 3: Cross multiply
    6,656.10x = 9,984.15 × 2,039.10
  4. Step 4: Simplify right side
    6,656.10x = 20,358,680.27
  5. Step 5: Solve for x
    x = 20,358,680.27/6,656.10
  6. Step 6: Final answer
    x = 3,058.65

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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.