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Finding the Fourth Proportional to 1,928.01, 2,892.95 and 1,335.95

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Solution

The fourth proportional to 1,928.01, 2,892.95 and 1,335.95 is: 2,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.01 : 2,892.95 = 1,335.95 : x
  2. Step 2: Convert to fraction form
    1,928.01/2,892.95 = 1,335.95/x
  3. Step 3: Cross multiply
    1,928.01x = 2,892.95 × 1,335.95
  4. Step 4: Simplify right side
    1,928.01x = 3,864,815.41
  5. Step 5: Solve for x
    x = 3,864,815.41/1,928.01
  6. Step 6: Final answer
    x = 2,004.56

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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.