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Finding the Fourth Proportional to 68,585.16, 94,649.52 and 38,369.77

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Solution

The fourth proportional to 68,585.16, 94,649.52 and 38,369.77 is: 52,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.16 : 94,649.52 = 38,369.77 : x
  2. Step 2: Convert to fraction form
    68,585.16/94,649.52 = 38,369.77/x
  3. Step 3: Cross multiply
    68,585.16x = 94,649.52 × 38,369.77
  4. Step 4: Simplify right side
    68,585.16x = 3,631,680,313.01
  5. Step 5: Solve for x
    x = 3,631,680,313.01/68,585.16
  6. Step 6: Final answer
    x = 52,951.40

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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.