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Finding the Fourth Proportional to 5,512.68, 8,269.02 and 1,617.10

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Solution

The fourth proportional to 5,512.68, 8,269.02 and 1,617.10 is: 2,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.68 : 8,269.02 = 1,617.10 : x
  2. Step 2: Convert to fraction form
    5,512.68/8,269.02 = 1,617.10/x
  3. Step 3: Cross multiply
    5,512.68x = 8,269.02 × 1,617.10
  4. Step 4: Simplify right side
    5,512.68x = 13,371,832.24
  5. Step 5: Solve for x
    x = 13,371,832.24/5,512.68
  6. Step 6: Final answer
    x = 2,425.65

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Half scale
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Double scale
Find fourth proportional to 5,513.68, 8,270.52 and 1,618.10
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.