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Finding the Fourth Proportional to 48,455.80, 66,828.99 and 34,163.26

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Solution

The fourth proportional to 48,455.80, 66,828.99 and 34,163.26 is: 47,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.80 : 66,828.99 = 34,163.26 : x
  2. Step 2: Convert to fraction form
    48,455.80/66,828.99 = 34,163.26/x
  3. Step 3: Cross multiply
    48,455.80x = 66,828.99 × 34,163.26
  4. Step 4: Simplify right side
    48,455.80x = 2,283,096,160.91
  5. Step 5: Solve for x
    x = 2,283,096,160.91/48,455.80
  6. Step 6: Final answer
    x = 47,117.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.