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Finding the Fourth Proportional to 65,907.65, 98,861.52 and 38,010.08

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Solution

The fourth proportional to 65,907.65, 98,861.52 and 38,010.08 is: 57,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,907.65 : 98,861.52 = 38,010.08 : x
  2. Step 2: Convert to fraction form
    65,907.65/98,861.52 = 38,010.08/x
  3. Step 3: Cross multiply
    65,907.65x = 98,861.52 × 38,010.08
  4. Step 4: Simplify right side
    65,907.65x = 3,757,734,284.12
  5. Step 5: Solve for x
    x = 3,757,734,284.12/65,907.65
  6. Step 6: Final answer
    x = 57,015.15

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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.