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Finding the Fourth Proportional to 3,304.80, 4,924.80 and 3,013.20

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Solution

The fourth proportional to 3,304.80, 4,924.80 and 3,013.20 is: 4,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.80 : 4,924.80 = 3,013.20 : x
  2. Step 2: Convert to fraction form
    3,304.80/4,924.80 = 3,013.20/x
  3. Step 3: Cross multiply
    3,304.80x = 4,924.80 × 3,013.20
  4. Step 4: Simplify right side
    3,304.80x = 14,839,407.36
  5. Step 5: Solve for x
    x = 14,839,407.36/3,304.80
  6. Step 6: Final answer
    x = 4,490.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.