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Finding the Fourth Proportional to 3,326.94, 4,990.95 and 1,595.57

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Solution

The fourth proportional to 3,326.94, 4,990.95 and 1,595.57 is: 2,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.94 : 4,990.95 = 1,595.57 : x
  2. Step 2: Convert to fraction form
    3,326.94/4,990.95 = 1,595.57/x
  3. Step 3: Cross multiply
    3,326.94x = 4,990.95 × 1,595.57
  4. Step 4: Simplify right side
    3,326.94x = 7,963,385.14
  5. Step 5: Solve for x
    x = 7,963,385.14/3,326.94
  6. Step 6: Final answer
    x = 2,393.61

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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.