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Finding the Fourth Proportional to 4,673.45, 7,011.23 and 1,553.20

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Solution

The fourth proportional to 4,673.45, 7,011.23 and 1,553.20 is: 2,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.45 : 7,011.23 = 1,553.20 : x
  2. Step 2: Convert to fraction form
    4,673.45/7,011.23 = 1,553.20/x
  3. Step 3: Cross multiply
    4,673.45x = 7,011.23 × 1,553.20
  4. Step 4: Simplify right side
    4,673.45x = 10,889,849.97
  5. Step 5: Solve for x
    x = 10,889,849.97/4,673.45
  6. Step 6: Final answer
    x = 2,330.15

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1.5x scale

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.