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Finding the Fourth Proportional to 3,304.14, 4,956.95 and 964.20

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Solution

The fourth proportional to 3,304.14, 4,956.95 and 964.20 is: 1,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.14 : 4,956.95 = 964.20 : x
  2. Step 2: Convert to fraction form
    3,304.14/4,956.95 = 964.20/x
  3. Step 3: Cross multiply
    3,304.14x = 4,956.95 × 964.20
  4. Step 4: Simplify right side
    3,304.14x = 4,779,506.77
  5. Step 5: Solve for x
    x = 4,779,506.77/3,304.14
  6. Step 6: Final answer
    x = 1,446.52

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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.