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Finding the Fourth Proportional to 65,965.60, 98,948.40 and 26,502.40

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Solution

The fourth proportional to 65,965.60, 98,948.40 and 26,502.40 is: 39,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,965.60 : 98,948.40 = 26,502.40 : x
  2. Step 2: Convert to fraction form
    65,965.60/98,948.40 = 26,502.40/x
  3. Step 3: Cross multiply
    65,965.60x = 98,948.40 × 26,502.40
  4. Step 4: Simplify right side
    65,965.60x = 2,622,370,076.16
  5. Step 5: Solve for x
    x = 2,622,370,076.16/65,965.60
  6. Step 6: Final answer
    x = 39,753.60

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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.