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Finding the Fourth Proportional to 4,881.02, 7,359.82 and 4,472.78

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Solution

The fourth proportional to 4,881.02, 7,359.82 and 4,472.78 is: 6,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.02 : 7,359.82 = 4,472.78 : x
  2. Step 2: Convert to fraction form
    4,881.02/7,359.82 = 4,472.78/x
  3. Step 3: Cross multiply
    4,881.02x = 7,359.82 × 4,472.78
  4. Step 4: Simplify right side
    4,881.02x = 32,918,855.70
  5. Step 5: Solve for x
    x = 32,918,855.70/4,881.02
  6. Step 6: Final answer
    x = 6,744.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.