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Finding the Fourth Proportional to 59,293.80, 88,796.70 and 31,530.60

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Solution

The fourth proportional to 59,293.80, 88,796.70 and 31,530.60 is: 47,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,293.80 : 88,796.70 = 31,530.60 : x
  2. Step 2: Convert to fraction form
    59,293.80/88,796.70 = 31,530.60/x
  3. Step 3: Cross multiply
    59,293.80x = 88,796.70 × 31,530.60
  4. Step 4: Simplify right side
    59,293.80x = 2,799,813,229.02
  5. Step 5: Solve for x
    x = 2,799,813,229.02/59,293.80
  6. Step 6: Final answer
    x = 47,219.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.