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Finding the Fourth Proportional to 1,471.02, 2,207.04 and 922.56

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Solution

The fourth proportional to 1,471.02, 2,207.04 and 922.56 is: 1,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.02 : 2,207.04 = 922.56 : x
  2. Step 2: Convert to fraction form
    1,471.02/2,207.04 = 922.56/x
  3. Step 3: Cross multiply
    1,471.02x = 2,207.04 × 922.56
  4. Step 4: Simplify right side
    1,471.02x = 2,036,136.25
  5. Step 5: Solve for x
    x = 2,036,136.25/1,471.02
  6. Step 6: Final answer
    x = 1,384.16

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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.