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Finding the Fourth Proportional to 1,454.08, 2,006.24 and 922.01

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Solution

The fourth proportional to 1,454.08, 2,006.24 and 922.01 is: 1,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.08 : 2,006.24 = 922.01 : x
  2. Step 2: Convert to fraction form
    1,454.08/2,006.24 = 922.01/x
  3. Step 3: Cross multiply
    1,454.08x = 2,006.24 × 922.01
  4. Step 4: Simplify right side
    1,454.08x = 1,849,768.73
  5. Step 5: Solve for x
    x = 1,849,768.73/1,454.08
  6. Step 6: Final answer
    x = 1,272.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.