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Finding the Fourth Proportional to 22,683.76, 33,990.54 and 11,574.88

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Solution

The fourth proportional to 22,683.76, 33,990.54 and 11,574.88 is: 17,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.76 : 33,990.54 = 11,574.88 : x
  2. Step 2: Convert to fraction form
    22,683.76/33,990.54 = 11,574.88/x
  3. Step 3: Cross multiply
    22,683.76x = 33,990.54 × 11,574.88
  4. Step 4: Simplify right side
    22,683.76x = 393,436,421.64
  5. Step 5: Solve for x
    x = 393,436,421.64/22,683.76
  6. Step 6: Final answer
    x = 17,344.41

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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.