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Finding the Fourth Proportional to 57,470.69, 86,202.45 and 27,506.21

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Solution

The fourth proportional to 57,470.69, 86,202.45 and 27,506.21 is: 41,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,470.69 : 86,202.45 = 27,506.21 : x
  2. Step 2: Convert to fraction form
    57,470.69/86,202.45 = 27,506.21/x
  3. Step 3: Cross multiply
    57,470.69x = 86,202.45 × 27,506.21
  4. Step 4: Simplify right side
    57,470.69x = 2,371,102,261.20
  5. Step 5: Solve for x
    x = 2,371,102,261.20/57,470.69
  6. Step 6: Final answer
    x = 41,257.60

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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.