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Finding the Fourth Proportional to 65,566.08, 90,481.04 and 35,758.08

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Solution

The fourth proportional to 65,566.08, 90,481.04 and 35,758.08 is: 49,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566.08 : 90,481.04 = 35,758.08 : x
  2. Step 2: Convert to fraction form
    65,566.08/90,481.04 = 35,758.08/x
  3. Step 3: Cross multiply
    65,566.08x = 90,481.04 × 35,758.08
  4. Step 4: Simplify right side
    65,566.08x = 3,235,428,266.80
  5. Step 5: Solve for x
    x = 3,235,428,266.80/65,566.08
  6. Step 6: Final answer
    x = 49,346.07

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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.