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Finding the Fourth Proportional to 68,574.89, 94,641.19 and 38,367.86

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Solution

The fourth proportional to 68,574.89, 94,641.19 and 38,367.86 is: 52,952.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574.89 : 94,641.19 = 38,367.86 : x
  2. Step 2: Convert to fraction form
    68,574.89/94,641.19 = 38,367.86/x
  3. Step 3: Cross multiply
    68,574.89x = 94,641.19 × 38,367.86
  4. Step 4: Simplify right side
    68,574.89x = 3,631,180,068.84
  5. Step 5: Solve for x
    x = 3,631,180,068.84/68,574.89
  6. Step 6: Final answer
    x = 52,952.03

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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.