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Finding the Fourth Proportional to 57,488.94, 86,211 and 17,499.24

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Solution

The fourth proportional to 57,488.94, 86,211 and 17,499.24 is: 26,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,488.94 : 86,211 = 17,499.24 : x
  2. Step 2: Convert to fraction form
    57,488.94/86,211 = 17,499.24/x
  3. Step 3: Cross multiply
    57,488.94x = 86,211 × 17,499.24
  4. Step 4: Simplify right side
    57,488.94x = 1,508,626,979.64
  5. Step 5: Solve for x
    x = 1,508,626,979.64/57,488.94
  6. Step 6: Final answer
    x = 26,242.04

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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.