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Finding the Fourth Proportional to 4,764.78, 6,576.72 and 3,348.78

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Solution

The fourth proportional to 4,764.78, 6,576.72 and 3,348.78 is: 4,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.78 : 6,576.72 = 3,348.78 : x
  2. Step 2: Convert to fraction form
    4,764.78/6,576.72 = 3,348.78/x
  3. Step 3: Cross multiply
    4,764.78x = 6,576.72 × 3,348.78
  4. Step 4: Simplify right side
    4,764.78x = 22,023,988.40
  5. Step 5: Solve for x
    x = 22,023,988.40/4,764.78
  6. Step 6: Final answer
    x = 4,622.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.