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Finding the Fourth Proportional to 62,079, 85,671.72 and 35,221.56

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Solution

The fourth proportional to 62,079, 85,671.72 and 35,221.56 is: 48,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,079 : 85,671.72 = 35,221.56 : x
  2. Step 2: Convert to fraction form
    62,079/85,671.72 = 35,221.56/x
  3. Step 3: Cross multiply
    62,079x = 85,671.72 × 35,221.56
  4. Step 4: Simplify right side
    62,079x = 3,017,491,626.28
  5. Step 5: Solve for x
    x = 3,017,491,626.28/62,079
  6. Step 6: Final answer
    x = 48,607.28

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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.