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Finding the Fourth Proportional to 2,535, 3,803.14 and 711

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Solution

The fourth proportional to 2,535, 3,803.14 and 711 is: 1,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535 : 3,803.14 = 711 : x
  2. Step 2: Convert to fraction form
    2,535/3,803.14 = 711/x
  3. Step 3: Cross multiply
    2,535x = 3,803.14 × 711
  4. Step 4: Simplify right side
    2,535x = 2,704,032.54
  5. Step 5: Solve for x
    x = 2,704,032.54/2,535
  6. Step 6: Final answer
    x = 1,066.68

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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.