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Finding the Fourth Proportional to 59,098.51, 81,569.63 and 38,958.98

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Solution

The fourth proportional to 59,098.51, 81,569.63 and 38,958.98 is: 53,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,098.51 : 81,569.63 = 38,958.98 : x
  2. Step 2: Convert to fraction form
    59,098.51/81,569.63 = 38,958.98/x
  3. Step 3: Cross multiply
    59,098.51x = 81,569.63 × 38,958.98
  4. Step 4: Simplify right side
    59,098.51x = 3,177,869,273.33
  5. Step 5: Solve for x
    x = 3,177,869,273.33/59,098.51
  6. Step 6: Final answer
    x = 53,772.41

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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.