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Finding the Fourth Proportional to 5,850.78, 8,770.68 and 2,888.11

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Solution

The fourth proportional to 5,850.78, 8,770.68 and 2,888.11 is: 4,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,850.78 : 8,770.68 = 2,888.11 : x
  2. Step 2: Convert to fraction form
    5,850.78/8,770.68 = 2,888.11/x
  3. Step 3: Cross multiply
    5,850.78x = 8,770.68 × 2,888.11
  4. Step 4: Simplify right side
    5,850.78x = 25,330,650.24
  5. Step 5: Solve for x
    x = 25,330,650.24/5,850.78
  6. Step 6: Final answer
    x = 4,329.45

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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.