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Finding the Fourth Proportional to 40,672.40, 61,008.60 and 35,751.65

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Solution

The fourth proportional to 40,672.40, 61,008.60 and 35,751.65 is: 53,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.40 : 61,008.60 = 35,751.65 : x
  2. Step 2: Convert to fraction form
    40,672.40/61,008.60 = 35,751.65/x
  3. Step 3: Cross multiply
    40,672.40x = 61,008.60 × 35,751.65
  4. Step 4: Simplify right side
    40,672.40x = 2,181,158,114.19
  5. Step 5: Solve for x
    x = 2,181,158,114.19/40,672.40
  6. Step 6: Final answer
    x = 53,627.48

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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.