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Finding the Fourth Proportional to 29,503.63, 40,694.77 and 17,557.75

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Solution

The fourth proportional to 29,503.63, 40,694.77 and 17,557.75 is: 24,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,503.63 : 40,694.77 = 17,557.75 : x
  2. Step 2: Convert to fraction form
    29,503.63/40,694.77 = 17,557.75/x
  3. Step 3: Cross multiply
    29,503.63x = 40,694.77 × 17,557.75
  4. Step 4: Simplify right side
    29,503.63x = 714,508,597.97
  5. Step 5: Solve for x
    x = 714,508,597.97/29,503.63
  6. Step 6: Final answer
    x = 24,217.65

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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.