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Finding the Fourth Proportional to 63,303.31, 87,355.31 and 34,617.39

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Solution

The fourth proportional to 63,303.31, 87,355.31 and 34,617.39 is: 47,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,303.31 : 87,355.31 = 34,617.39 : x
  2. Step 2: Convert to fraction form
    63,303.31/87,355.31 = 34,617.39/x
  3. Step 3: Cross multiply
    63,303.31x = 87,355.31 × 34,617.39
  4. Step 4: Simplify right side
    63,303.31x = 3,024,012,834.84
  5. Step 5: Solve for x
    x = 3,024,012,834.84/63,303.31
  6. Step 6: Final answer
    x = 47,770.22

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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.