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Finding the Fourth Proportional to 4,998.68, 6,898.10 and 2,760.50

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Solution

The fourth proportional to 4,998.68, 6,898.10 and 2,760.50 is: 3,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.68 : 6,898.10 = 2,760.50 : x
  2. Step 2: Convert to fraction form
    4,998.68/6,898.10 = 2,760.50/x
  3. Step 3: Cross multiply
    4,998.68x = 6,898.10 × 2,760.50
  4. Step 4: Simplify right side
    4,998.68x = 19,042,205.05
  5. Step 5: Solve for x
    x = 19,042,205.05/4,998.68
  6. Step 6: Final answer
    x = 3,809.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.