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Finding the Fourth Proportional to 40,807.80, 61,125.30 and 35,623.80

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Solution

The fourth proportional to 40,807.80, 61,125.30 and 35,623.80 is: 53,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.80 : 61,125.30 = 35,623.80 : x
  2. Step 2: Convert to fraction form
    40,807.80/61,125.30 = 35,623.80/x
  3. Step 3: Cross multiply
    40,807.80x = 61,125.30 × 35,623.80
  4. Step 4: Simplify right side
    40,807.80x = 2,177,515,462.14
  5. Step 5: Solve for x
    x = 2,177,515,462.14/40,807.80
  6. Step 6: Final answer
    x = 53,360.28

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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.