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Finding the Fourth Proportional to 65,103.60, 97,626.24 and 25,640.40

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Solution

The fourth proportional to 65,103.60, 97,626.24 and 25,640.40 is: 38,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,103.60 : 97,626.24 = 25,640.40 : x
  2. Step 2: Convert to fraction form
    65,103.60/97,626.24 = 25,640.40/x
  3. Step 3: Cross multiply
    65,103.60x = 97,626.24 × 25,640.40
  4. Step 4: Simplify right side
    65,103.60x = 2,503,175,844.10
  5. Step 5: Solve for x
    x = 2,503,175,844.10/65,103.60
  6. Step 6: Final answer
    x = 38,449.12

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1.5x scale

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.