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Finding the Fourth Proportional to 15,763.41, 23,634.18 and 7,436.41

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Solution

The fourth proportional to 15,763.41, 23,634.18 and 7,436.41 is: 11,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.41 : 23,634.18 = 7,436.41 : x
  2. Step 2: Convert to fraction form
    15,763.41/23,634.18 = 7,436.41/x
  3. Step 3: Cross multiply
    15,763.41x = 23,634.18 × 7,436.41
  4. Step 4: Simplify right side
    15,763.41x = 175,753,393.41
  5. Step 5: Solve for x
    x = 175,753,393.41/15,763.41
  6. Step 6: Final answer
    x = 11,149.45

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1.5x scale

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.