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Finding the Fourth Proportional to 1,935.90, 2,901.52 and 894.48

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Solution

The fourth proportional to 1,935.90, 2,901.52 and 894.48 is: 1,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.90 : 2,901.52 = 894.48 : x
  2. Step 2: Convert to fraction form
    1,935.90/2,901.52 = 894.48/x
  3. Step 3: Cross multiply
    1,935.90x = 2,901.52 × 894.48
  4. Step 4: Simplify right side
    1,935.90x = 2,595,351.61
  5. Step 5: Solve for x
    x = 2,595,351.61/1,935.90
  6. Step 6: Final answer
    x = 1,340.64

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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.