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Finding the Fourth Proportional to 3,606.33, 4,975.95 and 2,113.95

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Solution

The fourth proportional to 3,606.33, 4,975.95 and 2,113.95 is: 2,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.33 : 4,975.95 = 2,113.95 : x
  2. Step 2: Convert to fraction form
    3,606.33/4,975.95 = 2,113.95/x
  3. Step 3: Cross multiply
    3,606.33x = 4,975.95 × 2,113.95
  4. Step 4: Simplify right side
    3,606.33x = 10,518,909.50
  5. Step 5: Solve for x
    x = 10,518,909.50/3,606.33
  6. Step 6: Final answer
    x = 2,916.79

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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.