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Finding the Fourth Proportional to 1,711.41, 2,361.73 and 925.45

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Solution

The fourth proportional to 1,711.41, 2,361.73 and 925.45 is: 1,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.41 : 2,361.73 = 925.45 : x
  2. Step 2: Convert to fraction form
    1,711.41/2,361.73 = 925.45/x
  3. Step 3: Cross multiply
    1,711.41x = 2,361.73 × 925.45
  4. Step 4: Simplify right side
    1,711.41x = 2,185,663.03
  5. Step 5: Solve for x
    x = 2,185,663.03/1,711.41
  6. Step 6: Final answer
    x = 1,277.11

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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.