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Finding the Fourth Proportional to 65,750.60, 90,735.61 and 35,535.83

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Solution

The fourth proportional to 65,750.60, 90,735.61 and 35,535.83 is: 49,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,750.60 : 90,735.61 = 35,535.83 : x
  2. Step 2: Convert to fraction form
    65,750.60/90,735.61 = 35,535.83/x
  3. Step 3: Cross multiply
    65,750.60x = 90,735.61 × 35,535.83
  4. Step 4: Simplify right side
    65,750.60x = 3,224,364,938.57
  5. Step 5: Solve for x
    x = 3,224,364,938.57/65,750.60
  6. Step 6: Final answer
    x = 49,039.32

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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.