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Finding the Fourth Proportional to 29,309.01, 40,445.22 and 17,207.82

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Solution

The fourth proportional to 29,309.01, 40,445.22 and 17,207.82 is: 23,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.01 : 40,445.22 = 17,207.82 : x
  2. Step 2: Convert to fraction form
    29,309.01/40,445.22 = 17,207.82/x
  3. Step 3: Cross multiply
    29,309.01x = 40,445.22 × 17,207.82
  4. Step 4: Simplify right side
    29,309.01x = 695,974,065.62
  5. Step 5: Solve for x
    x = 695,974,065.62/29,309.01
  6. Step 6: Final answer
    x = 23,746.08

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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.