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Finding the Fourth Proportional to 5,799.78, 8,703.72 and 2,515.14

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Solution

The fourth proportional to 5,799.78, 8,703.72 and 2,515.14 is: 3,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.78 : 8,703.72 = 2,515.14 : x
  2. Step 2: Convert to fraction form
    5,799.78/8,703.72 = 2,515.14/x
  3. Step 3: Cross multiply
    5,799.78x = 8,703.72 × 2,515.14
  4. Step 4: Simplify right side
    5,799.78x = 21,891,074.32
  5. Step 5: Solve for x
    x = 21,891,074.32/5,799.78
  6. Step 6: Final answer
    x = 3,774.47

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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.