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Finding the Fourth Proportional to 22,510.42, 33,765.20 and 7,719.44

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Solution

The fourth proportional to 22,510.42, 33,765.20 and 7,719.44 is: 11,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.42 : 33,765.20 = 7,719.44 : x
  2. Step 2: Convert to fraction form
    22,510.42/33,765.20 = 7,719.44/x
  3. Step 3: Cross multiply
    22,510.42x = 33,765.20 × 7,719.44
  4. Step 4: Simplify right side
    22,510.42x = 260,648,435.49
  5. Step 5: Solve for x
    x = 260,648,435.49/22,510.42
  6. Step 6: Final answer
    x = 11,579.01

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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.