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Finding the Fourth Proportional to 35,891.01, 53,840.10 and 13,723.04

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Solution

The fourth proportional to 35,891.01, 53,840.10 and 13,723.04 is: 20,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.01 : 53,840.10 = 13,723.04 : x
  2. Step 2: Convert to fraction form
    35,891.01/53,840.10 = 13,723.04/x
  3. Step 3: Cross multiply
    35,891.01x = 53,840.10 × 13,723.04
  4. Step 4: Simplify right side
    35,891.01x = 738,849,576.70
  5. Step 5: Solve for x
    x = 738,849,576.70/35,891.01
  6. Step 6: Final answer
    x = 20,585.92

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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.