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Finding the Fourth Proportional to 1,951.04, 2,926.56 and 976.16

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Solution

The fourth proportional to 1,951.04, 2,926.56 and 976.16 is: 1,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.04 : 2,926.56 = 976.16 : x
  2. Step 2: Convert to fraction form
    1,951.04/2,926.56 = 976.16/x
  3. Step 3: Cross multiply
    1,951.04x = 2,926.56 × 976.16
  4. Step 4: Simplify right side
    1,951.04x = 2,856,790.81
  5. Step 5: Solve for x
    x = 2,856,790.81/1,951.04
  6. Step 6: Final answer
    x = 1,464.24

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Similar ratio
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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.