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Finding the Fourth Proportional to 4,737.88, 7,106.68 and 1,816.08

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Solution

The fourth proportional to 4,737.88, 7,106.68 and 1,816.08 is: 2,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737.88 : 7,106.68 = 1,816.08 : x
  2. Step 2: Convert to fraction form
    4,737.88/7,106.68 = 1,816.08/x
  3. Step 3: Cross multiply
    4,737.88x = 7,106.68 × 1,816.08
  4. Step 4: Simplify right side
    4,737.88x = 12,906,299.41
  5. Step 5: Solve for x
    x = 12,906,299.41/4,737.88
  6. Step 6: Final answer
    x = 2,724.07

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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.