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Finding the Fourth Proportional to 4,479.51, 6,719.28 and 1,882.44

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Solution

The fourth proportional to 4,479.51, 6,719.28 and 1,882.44 is: 2,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.51 : 6,719.28 = 1,882.44 : x
  2. Step 2: Convert to fraction form
    4,479.51/6,719.28 = 1,882.44/x
  3. Step 3: Cross multiply
    4,479.51x = 6,719.28 × 1,882.44
  4. Step 4: Simplify right side
    4,479.51x = 12,648,641.44
  5. Step 5: Solve for x
    x = 12,648,641.44/4,479.51
  6. Step 6: Final answer
    x = 2,823.67

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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.