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Finding the Fourth Proportional to 1,497.57, 2,066.65 and 834.42

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Solution

The fourth proportional to 1,497.57, 2,066.65 and 834.42 is: 1,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.57 : 2,066.65 = 834.42 : x
  2. Step 2: Convert to fraction form
    1,497.57/2,066.65 = 834.42/x
  3. Step 3: Cross multiply
    1,497.57x = 2,066.65 × 834.42
  4. Step 4: Simplify right side
    1,497.57x = 1,724,449.92
  5. Step 5: Solve for x
    x = 1,724,449.92/1,497.57
  6. Step 6: Final answer
    x = 1,151.50

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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.