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Finding the Fourth Proportional to 3,605.76, 4,975.84 and 2,033.76

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Solution

The fourth proportional to 3,605.76, 4,975.84 and 2,033.76 is: 2,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.76 : 4,975.84 = 2,033.76 : x
  2. Step 2: Convert to fraction form
    3,605.76/4,975.84 = 2,033.76/x
  3. Step 3: Cross multiply
    3,605.76x = 4,975.84 × 2,033.76
  4. Step 4: Simplify right side
    3,605.76x = 10,119,664.36
  5. Step 5: Solve for x
    x = 10,119,664.36/3,605.76
  6. Step 6: Final answer
    x = 2,806.53

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1.5x scale

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.