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Finding the Fourth Proportional to 29,616.84, 40,871.34 and 17,041.50

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Solution

The fourth proportional to 29,616.84, 40,871.34 and 17,041.50 is: 23,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,616.84 : 40,871.34 = 17,041.50 : x
  2. Step 2: Convert to fraction form
    29,616.84/40,871.34 = 17,041.50/x
  3. Step 3: Cross multiply
    29,616.84x = 40,871.34 × 17,041.50
  4. Step 4: Simplify right side
    29,616.84x = 696,508,940.61
  5. Step 5: Solve for x
    x = 696,508,940.61/29,616.84
  6. Step 6: Final answer
    x = 23,517.33

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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.