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Finding the Fourth Proportional to 2,448.24, 3,672.53 and 866.79

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Solution

The fourth proportional to 2,448.24, 3,672.53 and 866.79 is: 1,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.24 : 3,672.53 = 866.79 : x
  2. Step 2: Convert to fraction form
    2,448.24/3,672.53 = 866.79/x
  3. Step 3: Cross multiply
    2,448.24x = 3,672.53 × 866.79
  4. Step 4: Simplify right side
    2,448.24x = 3,183,312.28
  5. Step 5: Solve for x
    x = 3,183,312.28/2,448.24
  6. Step 6: Final answer
    x = 1,300.25

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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.