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Finding the Fourth Proportional to 15,940.41, 23,910.81 and 4,848.90

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Solution

The fourth proportional to 15,940.41, 23,910.81 and 4,848.90 is: 7,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.41 : 23,910.81 = 4,848.90 : x
  2. Step 2: Convert to fraction form
    15,940.41/23,910.81 = 4,848.90/x
  3. Step 3: Cross multiply
    15,940.41x = 23,910.81 × 4,848.90
  4. Step 4: Simplify right side
    15,940.41x = 115,941,126.61
  5. Step 5: Solve for x
    x = 115,941,126.61/15,940.41
  6. Step 6: Final answer
    x = 7,273.41

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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.