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Finding the Fourth Proportional to 68,382.38, 102,619.40 and 24,009.28

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Solution

The fourth proportional to 68,382.38, 102,619.40 and 24,009.28 is: 36,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,382.38 : 102,619.40 = 24,009.28 : x
  2. Step 2: Convert to fraction form
    68,382.38/102,619.40 = 24,009.28/x
  3. Step 3: Cross multiply
    68,382.38x = 102,619.40 × 24,009.28
  4. Step 4: Simplify right side
    68,382.38x = 2,463,817,531.44
  5. Step 5: Solve for x
    x = 2,463,817,531.44/68,382.38
  6. Step 6: Final answer
    x = 36,030.00

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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.