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Finding the Fourth Proportional to 22,459.50, 33,683.51 and 6,660.86

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Solution

The fourth proportional to 22,459.50, 33,683.51 and 6,660.86 is: 9,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.50 : 33,683.51 = 6,660.86 : x
  2. Step 2: Convert to fraction form
    22,459.50/33,683.51 = 6,660.86/x
  3. Step 3: Cross multiply
    22,459.50x = 33,683.51 × 6,660.86
  4. Step 4: Simplify right side
    22,459.50x = 224,360,992.65
  5. Step 5: Solve for x
    x = 224,360,992.65/22,459.50
  6. Step 6: Final answer
    x = 9,989.58

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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.