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Finding the Fourth Proportional to 29,058.88, 40,100.88 and 17,122.72

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Solution

The fourth proportional to 29,058.88, 40,100.88 and 17,122.72 is: 23,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,058.88 : 40,100.88 = 17,122.72 : x
  2. Step 2: Convert to fraction form
    29,058.88/40,100.88 = 17,122.72/x
  3. Step 3: Cross multiply
    29,058.88x = 40,100.88 × 17,122.72
  4. Step 4: Simplify right side
    29,058.88x = 686,636,139.99
  5. Step 5: Solve for x
    x = 686,636,139.99/29,058.88
  6. Step 6: Final answer
    x = 23,629.13

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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.