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Finding the Fourth Proportional to 65,584.20, 98,228.28 and 45,950.40

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Solution

The fourth proportional to 65,584.20, 98,228.28 and 45,950.40 is: 68,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,584.20 : 98,228.28 = 45,950.40 : x
  2. Step 2: Convert to fraction form
    65,584.20/98,228.28 = 45,950.40/x
  3. Step 3: Cross multiply
    65,584.20x = 98,228.28 × 45,950.40
  4. Step 4: Simplify right side
    65,584.20x = 4,513,628,757.31
  5. Step 5: Solve for x
    x = 4,513,628,757.31/65,584.20
  6. Step 6: Final answer
    x = 68,821.89

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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.