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Finding the Fourth Proportional to 59,278.71, 88,918.08 and 21,825

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Solution

The fourth proportional to 59,278.71, 88,918.08 and 21,825 is: 32,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,278.71 : 88,918.08 = 21,825 : x
  2. Step 2: Convert to fraction form
    59,278.71/88,918.08 = 21,825/x
  3. Step 3: Cross multiply
    59,278.71x = 88,918.08 × 21,825
  4. Step 4: Simplify right side
    59,278.71x = 1,940,637,096
  5. Step 5: Solve for x
    x = 1,940,637,096/59,278.71
  6. Step 6: Final answer
    x = 32,737.51

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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.