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Finding the Fourth Proportional to 2,467.68, 3,701.60 and 824.16

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Solution

The fourth proportional to 2,467.68, 3,701.60 and 824.16 is: 1,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.68 : 3,701.60 = 824.16 : x
  2. Step 2: Convert to fraction form
    2,467.68/3,701.60 = 824.16/x
  3. Step 3: Cross multiply
    2,467.68x = 3,701.60 × 824.16
  4. Step 4: Simplify right side
    2,467.68x = 3,050,710.66
  5. Step 5: Solve for x
    x = 3,050,710.66/2,467.68
  6. Step 6: Final answer
    x = 1,236.27

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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.