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Finding the Fourth Proportional to 1,626.96, 2,244.84 and 964.02

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Solution

The fourth proportional to 1,626.96, 2,244.84 and 964.02 is: 1,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.96 : 2,244.84 = 964.02 : x
  2. Step 2: Convert to fraction form
    1,626.96/2,244.84 = 964.02/x
  3. Step 3: Cross multiply
    1,626.96x = 2,244.84 × 964.02
  4. Step 4: Simplify right side
    1,626.96x = 2,164,070.66
  5. Step 5: Solve for x
    x = 2,164,070.66/1,626.96
  6. Step 6: Final answer
    x = 1,330.13

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1.5x scale

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.