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Finding the Fourth Proportional to 7,152.84, 10,726.02 and 2,221.02

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Solution

The fourth proportional to 7,152.84, 10,726.02 and 2,221.02 is: 3,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.84 : 10,726.02 = 2,221.02 : x
  2. Step 2: Convert to fraction form
    7,152.84/10,726.02 = 2,221.02/x
  3. Step 3: Cross multiply
    7,152.84x = 10,726.02 × 2,221.02
  4. Step 4: Simplify right side
    7,152.84x = 23,822,704.94
  5. Step 5: Solve for x
    x = 23,822,704.94/7,152.84
  6. Step 6: Final answer
    x = 3,330.52

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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.