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Finding the Fourth Proportional to 29,065.50, 40,104.18 and 17,124.48

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Solution

The fourth proportional to 29,065.50, 40,104.18 and 17,124.48 is: 23,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,065.50 : 40,104.18 = 17,124.48 : x
  2. Step 2: Convert to fraction form
    29,065.50/40,104.18 = 17,124.48/x
  3. Step 3: Cross multiply
    29,065.50x = 40,104.18 × 17,124.48
  4. Step 4: Simplify right side
    29,065.50x = 686,763,228.33
  5. Step 5: Solve for x
    x = 686,763,228.33/29,065.50
  6. Step 6: Final answer
    x = 23,628.12

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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.