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Finding the Fourth Proportional to 1,652.14, 2,279.94 and 906.14

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Solution

The fourth proportional to 1,652.14, 2,279.94 and 906.14 is: 1,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.14 : 2,279.94 = 906.14 : x
  2. Step 2: Convert to fraction form
    1,652.14/2,279.94 = 906.14/x
  3. Step 3: Cross multiply
    1,652.14x = 2,279.94 × 906.14
  4. Step 4: Simplify right side
    1,652.14x = 2,065,944.83
  5. Step 5: Solve for x
    x = 2,065,944.83/1,652.14
  6. Step 6: Final answer
    x = 1,250.47

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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.