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Finding the Fourth Proportional to 24,728.34, 34,111.97 and 18,750.14

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Solution

The fourth proportional to 24,728.34, 34,111.97 and 18,750.14 is: 25,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,728.34 : 34,111.97 = 18,750.14 : x
  2. Step 2: Convert to fraction form
    24,728.34/34,111.97 = 18,750.14/x
  3. Step 3: Cross multiply
    24,728.34x = 34,111.97 × 18,750.14
  4. Step 4: Simplify right side
    24,728.34x = 639,604,042.62
  5. Step 5: Solve for x
    x = 639,604,042.62/24,728.34
  6. Step 6: Final answer
    x = 25,865.22

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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.