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Finding the Fourth Proportional to 68,585.74, 94,647.47 and 38,370.96

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Solution

The fourth proportional to 68,585.74, 94,647.47 and 38,370.96 is: 52,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.74 : 94,647.47 = 38,370.96 : x
  2. Step 2: Convert to fraction form
    68,585.74/94,647.47 = 38,370.96/x
  3. Step 3: Cross multiply
    68,585.74x = 94,647.47 × 38,370.96
  4. Step 4: Simplify right side
    68,585.74x = 3,631,714,381.40
  5. Step 5: Solve for x
    x = 3,631,714,381.40/68,585.74
  6. Step 6: Final answer
    x = 52,951.45

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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.