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Finding the Fourth Proportional to 2,066.13, 3,099.19 and 527.13

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Solution

The fourth proportional to 2,066.13, 3,099.19 and 527.13 is: 790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.13 : 3,099.19 = 527.13 : x
  2. Step 2: Convert to fraction form
    2,066.13/3,099.19 = 527.13/x
  3. Step 3: Cross multiply
    2,066.13x = 3,099.19 × 527.13
  4. Step 4: Simplify right side
    2,066.13x = 1,633,659.21
  5. Step 5: Solve for x
    x = 1,633,659.21/2,066.13
  6. Step 6: Final answer
    x = 790.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.