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Finding the Fourth Proportional to 68,959.04, 103,412.94 and 24,574

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Solution

The fourth proportional to 68,959.04, 103,412.94 and 24,574 is: 36,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,959.04 : 103,412.94 = 24,574 : x
  2. Step 2: Convert to fraction form
    68,959.04/103,412.94 = 24,574/x
  3. Step 3: Cross multiply
    68,959.04x = 103,412.94 × 24,574
  4. Step 4: Simplify right side
    68,959.04x = 2,541,269,587.56
  5. Step 5: Solve for x
    x = 2,541,269,587.56/68,959.04
  6. Step 6: Final answer
    x = 36,851.87

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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.