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Finding the Fourth Proportional to 7,271.84, 10,910.16 and 3,373.40

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Solution

The fourth proportional to 7,271.84, 10,910.16 and 3,373.40 is: 5,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.84 : 10,910.16 = 3,373.40 : x
  2. Step 2: Convert to fraction form
    7,271.84/10,910.16 = 3,373.40/x
  3. Step 3: Cross multiply
    7,271.84x = 10,910.16 × 3,373.40
  4. Step 4: Simplify right side
    7,271.84x = 36,804,333.74
  5. Step 5: Solve for x
    x = 36,804,333.74/7,271.84
  6. Step 6: Final answer
    x = 5,061.21

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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.