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Finding the Fourth Proportional to 70,567.43, 97,382.45 and 38,734.43

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Solution

The fourth proportional to 70,567.43, 97,382.45 and 38,734.43 is: 53,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,567.43 : 97,382.45 = 38,734.43 : x
  2. Step 2: Convert to fraction form
    70,567.43/97,382.45 = 38,734.43/x
  3. Step 3: Cross multiply
    70,567.43x = 97,382.45 × 38,734.43
  4. Step 4: Simplify right side
    70,567.43x = 3,772,053,692.75
  5. Step 5: Solve for x
    x = 3,772,053,692.75/70,567.43
  6. Step 6: Final answer
    x = 53,453.18

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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.