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Finding the Fourth Proportional to 23,751.36, 35,656.20 and 13,895.28

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Solution

The fourth proportional to 23,751.36, 35,656.20 and 13,895.28 is: 20,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,751.36 : 35,656.20 = 13,895.28 : x
  2. Step 2: Convert to fraction form
    23,751.36/35,656.20 = 13,895.28/x
  3. Step 3: Cross multiply
    23,751.36x = 35,656.20 × 13,895.28
  4. Step 4: Simplify right side
    23,751.36x = 495,452,882.74
  5. Step 5: Solve for x
    x = 495,452,882.74/23,751.36
  6. Step 6: Final answer
    x = 20,859.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.