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Finding the Fourth Proportional to 65,895.60, 98,843.40 and 36,298.20

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Solution

The fourth proportional to 65,895.60, 98,843.40 and 36,298.20 is: 54,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.60 : 98,843.40 = 36,298.20 : x
  2. Step 2: Convert to fraction form
    65,895.60/98,843.40 = 36,298.20/x
  3. Step 3: Cross multiply
    65,895.60x = 98,843.40 × 36,298.20
  4. Step 4: Simplify right side
    65,895.60x = 3,587,837,501.88
  5. Step 5: Solve for x
    x = 3,587,837,501.88/65,895.60
  6. Step 6: Final answer
    x = 54,447.30

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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.