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Finding the Fourth Proportional to 65,202.19, 90,023.84 and 44,011.15

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Solution

The fourth proportional to 65,202.19, 90,023.84 and 44,011.15 is: 60,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,202.19 : 90,023.84 = 44,011.15 : x
  2. Step 2: Convert to fraction form
    65,202.19/90,023.84 = 44,011.15/x
  3. Step 3: Cross multiply
    65,202.19x = 90,023.84 × 44,011.15
  4. Step 4: Simplify right side
    65,202.19x = 3,962,052,725.82
  5. Step 5: Solve for x
    x = 3,962,052,725.82/65,202.19
  6. Step 6: Final answer
    x = 60,765.64

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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.