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Finding the Fourth Proportional to 62,671.25, 86,486.33 and 34,377.01

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Solution

The fourth proportional to 62,671.25, 86,486.33 and 34,377.01 is: 47,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,671.25 : 86,486.33 = 34,377.01 : x
  2. Step 2: Convert to fraction form
    62,671.25/86,486.33 = 34,377.01/x
  3. Step 3: Cross multiply
    62,671.25x = 86,486.33 × 34,377.01
  4. Step 4: Simplify right side
    62,671.25x = 2,973,140,826.96
  5. Step 5: Solve for x
    x = 2,973,140,826.96/62,671.25
  6. Step 6: Final answer
    x = 47,440.27

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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.