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Finding the Fourth Proportional to 21,296.62, 29,362.04 and 17,454.11

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Solution

The fourth proportional to 21,296.62, 29,362.04 and 17,454.11 is: 24,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.62 : 29,362.04 = 17,454.11 : x
  2. Step 2: Convert to fraction form
    21,296.62/29,362.04 = 17,454.11/x
  3. Step 3: Cross multiply
    21,296.62x = 29,362.04 × 17,454.11
  4. Step 4: Simplify right side
    21,296.62x = 512,488,275.98
  5. Step 5: Solve for x
    x = 512,488,275.98/21,296.62
  6. Step 6: Final answer
    x = 24,064.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.