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Finding the Fourth Proportional to 83,803.32, 125,705 and 24,639.28

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Solution

The fourth proportional to 83,803.32, 125,705 and 24,639.28 is: 36,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,803.32 : 125,705 = 24,639.28 : x
  2. Step 2: Convert to fraction form
    83,803.32/125,705 = 24,639.28/x
  3. Step 3: Cross multiply
    83,803.32x = 125,705 × 24,639.28
  4. Step 4: Simplify right side
    83,803.32x = 3,097,280,692.40
  5. Step 5: Solve for x
    x = 3,097,280,692.40/83,803.32
  6. Step 6: Final answer
    x = 36,958.93

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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.