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Finding the Fourth Proportional to 36,785.25, 55,154.07 and 15,739.02

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Solution

The fourth proportional to 36,785.25, 55,154.07 and 15,739.02 is: 23,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.25 : 55,154.07 = 15,739.02 : x
  2. Step 2: Convert to fraction form
    36,785.25/55,154.07 = 15,739.02/x
  3. Step 3: Cross multiply
    36,785.25x = 55,154.07 × 15,739.02
  4. Step 4: Simplify right side
    36,785.25x = 868,071,010.81
  5. Step 5: Solve for x
    x = 868,071,010.81/36,785.25
  6. Step 6: Final answer
    x = 23,598.34

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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.