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Finding the Fourth Proportional to 68,582.44, 94,646.46 and 40,287.88

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Solution

The fourth proportional to 68,582.44, 94,646.46 and 40,287.88 is: 55,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,582.44 : 94,646.46 = 40,287.88 : x
  2. Step 2: Convert to fraction form
    68,582.44/94,646.46 = 40,287.88/x
  3. Step 3: Cross multiply
    68,582.44x = 94,646.46 × 40,287.88
  4. Step 4: Simplify right side
    68,582.44x = 3,813,105,222.90
  5. Step 5: Solve for x
    x = 3,813,105,222.90/68,582.44
  6. Step 6: Final answer
    x = 55,598.86

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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.