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Finding the Fourth Proportional to 1,496.60, 2,064.74 and 906.92

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Solution

The fourth proportional to 1,496.60, 2,064.74 and 906.92 is: 1,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.60 : 2,064.74 = 906.92 : x
  2. Step 2: Convert to fraction form
    1,496.60/2,064.74 = 906.92/x
  3. Step 3: Cross multiply
    1,496.60x = 2,064.74 × 906.92
  4. Step 4: Simplify right side
    1,496.60x = 1,872,554.00
  5. Step 5: Solve for x
    x = 1,872,554.00/1,496.60
  6. Step 6: Final answer
    x = 1,251.21

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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.