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Finding the Fourth Proportional to 1,394.34, 1,925.01 and 1,334.94

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Solution

The fourth proportional to 1,394.34, 1,925.01 and 1,334.94 is: 1,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.34 : 1,925.01 = 1,334.94 : x
  2. Step 2: Convert to fraction form
    1,394.34/1,925.01 = 1,334.94/x
  3. Step 3: Cross multiply
    1,394.34x = 1,925.01 × 1,334.94
  4. Step 4: Simplify right side
    1,394.34x = 2,569,772.85
  5. Step 5: Solve for x
    x = 2,569,772.85/1,394.34
  6. Step 6: Final answer
    x = 1,843.00

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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.