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Finding the Fourth Proportional to 4,472.56, 6,172.82 and 4,275.68

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Solution

The fourth proportional to 4,472.56, 6,172.82 and 4,275.68 is: 5,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.56 : 6,172.82 = 4,275.68 : x
  2. Step 2: Convert to fraction form
    4,472.56/6,172.82 = 4,275.68/x
  3. Step 3: Cross multiply
    4,472.56x = 6,172.82 × 4,275.68
  4. Step 4: Simplify right side
    4,472.56x = 26,393,003.02
  5. Step 5: Solve for x
    x = 26,393,003.02/4,472.56
  6. Step 6: Final answer
    x = 5,901.10

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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.