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Finding the Fourth Proportional to 4,673.29, 7,011.20 and 1,553.80

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Solution

The fourth proportional to 4,673.29, 7,011.20 and 1,553.80 is: 2,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.29 : 7,011.20 = 1,553.80 : x
  2. Step 2: Convert to fraction form
    4,673.29/7,011.20 = 1,553.80/x
  3. Step 3: Cross multiply
    4,673.29x = 7,011.20 × 1,553.80
  4. Step 4: Simplify right side
    4,673.29x = 10,893,994.79
  5. Step 5: Solve for x
    x = 10,893,994.79/4,673.29
  6. Step 6: Final answer
    x = 2,331.12

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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.