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Finding the Fourth Proportional to 22,340.80, 33,516 and 10,501.60

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Solution

The fourth proportional to 22,340.80, 33,516 and 10,501.60 is: 15,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.80 : 33,516 = 10,501.60 : x
  2. Step 2: Convert to fraction form
    22,340.80/33,516 = 10,501.60/x
  3. Step 3: Cross multiply
    22,340.80x = 33,516 × 10,501.60
  4. Step 4: Simplify right side
    22,340.80x = 351,971,625.60
  5. Step 5: Solve for x
    x = 351,971,625.60/22,340.80
  6. Step 6: Final answer
    x = 15,754.66

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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.