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Finding the Fourth Proportional to 1,464.48, 2,196.72 and 886.68

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Solution

The fourth proportional to 1,464.48, 2,196.72 and 886.68 is: 1,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.48 : 2,196.72 = 886.68 : x
  2. Step 2: Convert to fraction form
    1,464.48/2,196.72 = 886.68/x
  3. Step 3: Cross multiply
    1,464.48x = 2,196.72 × 886.68
  4. Step 4: Simplify right side
    1,464.48x = 1,947,787.69
  5. Step 5: Solve for x
    x = 1,947,787.69/1,464.48
  6. Step 6: Final answer
    x = 1,330.02

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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.