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Finding the Fourth Proportional to 59,358.44, 81,918.60 and 34,209.56

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Solution

The fourth proportional to 59,358.44, 81,918.60 and 34,209.56 is: 47,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,358.44 : 81,918.60 = 34,209.56 : x
  2. Step 2: Convert to fraction form
    59,358.44/81,918.60 = 34,209.56/x
  3. Step 3: Cross multiply
    59,358.44x = 81,918.60 × 34,209.56
  4. Step 4: Simplify right side
    59,358.44x = 2,802,399,261.82
  5. Step 5: Solve for x
    x = 2,802,399,261.82/59,358.44
  6. Step 6: Final answer
    x = 47,211.47

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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.