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Finding the Fourth Proportional to 65,760.59, 98,665.72 and 39,483.65

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Solution

The fourth proportional to 65,760.59, 98,665.72 and 39,483.65 is: 59,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,760.59 : 98,665.72 = 39,483.65 : x
  2. Step 2: Convert to fraction form
    65,760.59/98,665.72 = 39,483.65/x
  3. Step 3: Cross multiply
    65,760.59x = 98,665.72 × 39,483.65
  4. Step 4: Simplify right side
    65,760.59x = 3,895,682,558.06
  5. Step 5: Solve for x
    x = 3,895,682,558.06/65,760.59
  6. Step 6: Final answer
    x = 59,240.38

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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.