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Finding the Fourth Proportional to 23,803.31, 35,660.81 and 11,943.15

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Solution

The fourth proportional to 23,803.31, 35,660.81 and 11,943.15 is: 17,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,803.31 : 35,660.81 = 11,943.15 : x
  2. Step 2: Convert to fraction form
    23,803.31/35,660.81 = 11,943.15/x
  3. Step 3: Cross multiply
    23,803.31x = 35,660.81 × 11,943.15
  4. Step 4: Simplify right side
    23,803.31x = 425,902,432.81
  5. Step 5: Solve for x
    x = 425,902,432.81/23,803.31
  6. Step 6: Final answer
    x = 17,892.58

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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.