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Finding the Fourth Proportional to 4,673.84, 7,011.23 and 2,207.99

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Solution

The fourth proportional to 4,673.84, 7,011.23 and 2,207.99 is: 3,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.84 : 7,011.23 = 2,207.99 : x
  2. Step 2: Convert to fraction form
    4,673.84/7,011.23 = 2,207.99/x
  3. Step 3: Cross multiply
    4,673.84x = 7,011.23 × 2,207.99
  4. Step 4: Simplify right side
    4,673.84x = 15,480,732.22
  5. Step 5: Solve for x
    x = 15,480,732.22/4,673.84
  6. Step 6: Final answer
    x = 3,312.21

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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.