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Finding the Fourth Proportional to 59,230.28, 88,880.42 and 21,816.64

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Solution

The fourth proportional to 59,230.28, 88,880.42 and 21,816.64 is: 32,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,230.28 : 88,880.42 = 21,816.64 : x
  2. Step 2: Convert to fraction form
    59,230.28/88,880.42 = 21,816.64/x
  3. Step 3: Cross multiply
    59,230.28x = 88,880.42 × 21,816.64
  4. Step 4: Simplify right side
    59,230.28x = 1,939,072,126.19
  5. Step 5: Solve for x
    x = 1,939,072,126.19/59,230.28
  6. Step 6: Final answer
    x = 32,737.85

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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.