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Finding the Fourth Proportional to 59,340.88, 88,983.24 and 21,888.64

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Solution

The fourth proportional to 59,340.88, 88,983.24 and 21,888.64 is: 32,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,340.88 : 88,983.24 = 21,888.64 : x
  2. Step 2: Convert to fraction form
    59,340.88/88,983.24 = 21,888.64/x
  3. Step 3: Cross multiply
    59,340.88x = 88,983.24 × 21,888.64
  4. Step 4: Simplify right side
    59,340.88x = 1,947,722,106.39
  5. Step 5: Solve for x
    x = 1,947,722,106.39/59,340.88
  6. Step 6: Final answer
    x = 32,822.60

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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.