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Finding the Fourth Proportional to 1,497.38, 2,066.36 and 834.29

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Solution

The fourth proportional to 1,497.38, 2,066.36 and 834.29 is: 1,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.38 : 2,066.36 = 834.29 : x
  2. Step 2: Convert to fraction form
    1,497.38/2,066.36 = 834.29/x
  3. Step 3: Cross multiply
    1,497.38x = 2,066.36 × 834.29
  4. Step 4: Simplify right side
    1,497.38x = 1,723,928.98
  5. Step 5: Solve for x
    x = 1,723,928.98/1,497.38
  6. Step 6: Final answer
    x = 1,151.30

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Half scale
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Double scale
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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.