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Finding the Fourth Proportional to 44,455.80, 66,683.70 and 41,921.40

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Solution

The fourth proportional to 44,455.80, 66,683.70 and 41,921.40 is: 62,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,455.80 : 66,683.70 = 41,921.40 : x
  2. Step 2: Convert to fraction form
    44,455.80/66,683.70 = 41,921.40/x
  3. Step 3: Cross multiply
    44,455.80x = 66,683.70 × 41,921.40
  4. Step 4: Simplify right side
    44,455.80x = 2,795,474,061.18
  5. Step 5: Solve for x
    x = 2,795,474,061.18/44,455.80
  6. Step 6: Final answer
    x = 62,882.10

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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.