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Finding the Fourth Proportional to 2,951.24, 4,427.58 and 899.24

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Solution

The fourth proportional to 2,951.24, 4,427.58 and 899.24 is: 1,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.24 : 4,427.58 = 899.24 : x
  2. Step 2: Convert to fraction form
    2,951.24/4,427.58 = 899.24/x
  3. Step 3: Cross multiply
    2,951.24x = 4,427.58 × 899.24
  4. Step 4: Simplify right side
    2,951.24x = 3,981,457.04
  5. Step 5: Solve for x
    x = 3,981,457.04/2,951.24
  6. Step 6: Final answer
    x = 1,349.08

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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.