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Finding the Fourth Proportional to 4,984.84, 7,480.62 and 3,753.16

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Solution

The fourth proportional to 4,984.84, 7,480.62 and 3,753.16 is: 5,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.84 : 7,480.62 = 3,753.16 : x
  2. Step 2: Convert to fraction form
    4,984.84/7,480.62 = 3,753.16/x
  3. Step 3: Cross multiply
    4,984.84x = 7,480.62 × 3,753.16
  4. Step 4: Simplify right side
    4,984.84x = 28,075,963.76
  5. Step 5: Solve for x
    x = 28,075,963.76/4,984.84
  6. Step 6: Final answer
    x = 5,632.27

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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.