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Finding the Fourth Proportional to 65,374.64, 98,061.96 and 18,627.44

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Solution

The fourth proportional to 65,374.64, 98,061.96 and 18,627.44 is: 27,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,374.64 : 98,061.96 = 18,627.44 : x
  2. Step 2: Convert to fraction form
    65,374.64/98,061.96 = 18,627.44/x
  3. Step 3: Cross multiply
    65,374.64x = 98,061.96 × 18,627.44
  4. Step 4: Simplify right side
    65,374.64x = 1,826,643,276.18
  5. Step 5: Solve for x
    x = 1,826,643,276.18/65,374.64
  6. Step 6: Final answer
    x = 27,941.16

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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.