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Finding the Fourth Proportional to 35,799.40, 53,723.40 and 20,004.40

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Solution

The fourth proportional to 35,799.40, 53,723.40 and 20,004.40 is: 30,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,799.40 : 53,723.40 = 20,004.40 : x
  2. Step 2: Convert to fraction form
    35,799.40/53,723.40 = 20,004.40/x
  3. Step 3: Cross multiply
    35,799.40x = 53,723.40 × 20,004.40
  4. Step 4: Simplify right side
    35,799.40x = 1,074,704,382.96
  5. Step 5: Solve for x
    x = 1,074,704,382.96/35,799.40
  6. Step 6: Final answer
    x = 30,020.18

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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.