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Finding the Fourth Proportional to 1,496.14, 2,064.67 and 866.79

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Solution

The fourth proportional to 1,496.14, 2,064.67 and 866.79 is: 1,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.14 : 2,064.67 = 866.79 : x
  2. Step 2: Convert to fraction form
    1,496.14/2,064.67 = 866.79/x
  3. Step 3: Cross multiply
    1,496.14x = 2,064.67 × 866.79
  4. Step 4: Simplify right side
    1,496.14x = 1,789,628.08
  5. Step 5: Solve for x
    x = 1,789,628.08/1,496.14
  6. Step 6: Final answer
    x = 1,196.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.