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Finding the Fourth Proportional to 5,763.95, 8,645.51 and 3,291.02

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Solution

The fourth proportional to 5,763.95, 8,645.51 and 3,291.02 is: 4,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.95 : 8,645.51 = 3,291.02 : x
  2. Step 2: Convert to fraction form
    5,763.95/8,645.51 = 3,291.02/x
  3. Step 3: Cross multiply
    5,763.95x = 8,645.51 × 3,291.02
  4. Step 4: Simplify right side
    5,763.95x = 28,452,511.32
  5. Step 5: Solve for x
    x = 28,452,511.32/5,763.95
  6. Step 6: Final answer
    x = 4,936.29

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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.