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Finding the Fourth Proportional to 59,338.88, 88,980.24 and 21,886.64

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Solution

The fourth proportional to 59,338.88, 88,980.24 and 21,886.64 is: 32,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,338.88 : 88,980.24 = 21,886.64 : x
  2. Step 2: Convert to fraction form
    59,338.88/88,980.24 = 21,886.64/x
  3. Step 3: Cross multiply
    59,338.88x = 88,980.24 × 21,886.64
  4. Step 4: Simplify right side
    59,338.88x = 1,947,478,479.99
  5. Step 5: Solve for x
    x = 1,947,478,479.99/59,338.88
  6. Step 6: Final answer
    x = 32,819.60

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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.