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Finding the Fourth Proportional to 45,809.03, 68,702.81 and 25,827.14

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Solution

The fourth proportional to 45,809.03, 68,702.81 and 25,827.14 is: 38,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.03 : 68,702.81 = 25,827.14 : x
  2. Step 2: Convert to fraction form
    45,809.03/68,702.81 = 25,827.14/x
  3. Step 3: Cross multiply
    45,809.03x = 68,702.81 × 25,827.14
  4. Step 4: Simplify right side
    45,809.03x = 1,774,396,619.61
  5. Step 5: Solve for x
    x = 1,774,396,619.61/45,809.03
  6. Step 6: Final answer
    x = 38,734.65

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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.