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Finding the Fourth Proportional to 5,570.76, 8,357.03 and 2,239.01

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Solution

The fourth proportional to 5,570.76, 8,357.03 and 2,239.01 is: 3,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.76 : 8,357.03 = 2,239.01 : x
  2. Step 2: Convert to fraction form
    5,570.76/8,357.03 = 2,239.01/x
  3. Step 3: Cross multiply
    5,570.76x = 8,357.03 × 2,239.01
  4. Step 4: Simplify right side
    5,570.76x = 18,711,460.50
  5. Step 5: Solve for x
    x = 18,711,460.50/5,570.76
  6. Step 6: Final answer
    x = 3,358.87

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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.