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Finding the Fourth Proportional to 65,949.60, 91,010.16 and 35,735.04

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Solution

The fourth proportional to 65,949.60, 91,010.16 and 35,735.04 is: 49,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.60 : 91,010.16 = 35,735.04 : x
  2. Step 2: Convert to fraction form
    65,949.60/91,010.16 = 35,735.04/x
  3. Step 3: Cross multiply
    65,949.60x = 91,010.16 × 35,735.04
  4. Step 4: Simplify right side
    65,949.60x = 3,252,251,708.01
  5. Step 5: Solve for x
    x = 3,252,251,708.01/65,949.60
  6. Step 6: Final answer
    x = 49,314.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.