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Finding the Fourth Proportional to 44,154.56, 66,261.02 and 20,787.68

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Solution

The fourth proportional to 44,154.56, 66,261.02 and 20,787.68 is: 31,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,154.56 : 66,261.02 = 20,787.68 : x
  2. Step 2: Convert to fraction form
    44,154.56/66,261.02 = 20,787.68/x
  3. Step 3: Cross multiply
    44,154.56x = 66,261.02 × 20,787.68
  4. Step 4: Simplify right side
    44,154.56x = 1,377,412,880.23
  5. Step 5: Solve for x
    x = 1,377,412,880.23/44,154.56
  6. Step 6: Final answer
    x = 31,195.26

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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.