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Finding the Fourth Proportional to 2,869.48, 4,304.04 and 922.96

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Solution

The fourth proportional to 2,869.48, 4,304.04 and 922.96 is: 1,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.48 : 4,304.04 = 922.96 : x
  2. Step 2: Convert to fraction form
    2,869.48/4,304.04 = 922.96/x
  3. Step 3: Cross multiply
    2,869.48x = 4,304.04 × 922.96
  4. Step 4: Simplify right side
    2,869.48x = 3,972,456.76
  5. Step 5: Solve for x
    x = 3,972,456.76/2,869.48
  6. Step 6: Final answer
    x = 1,384.38

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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.