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Finding the Fourth Proportional to 3,605.47, 4,975.48 and 2,012.15

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Solution

The fourth proportional to 3,605.47, 4,975.48 and 2,012.15 is: 2,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.47 : 4,975.48 = 2,012.15 : x
  2. Step 2: Convert to fraction form
    3,605.47/4,975.48 = 2,012.15/x
  3. Step 3: Cross multiply
    3,605.47x = 4,975.48 × 2,012.15
  4. Step 4: Simplify right side
    3,605.47x = 10,011,412.08
  5. Step 5: Solve for x
    x = 10,011,412.08/3,605.47
  6. Step 6: Final answer
    x = 2,776.73

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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.