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Finding the Fourth Proportional to 3,754.13, 5,631.19 and 1,018.13

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Solution

The fourth proportional to 3,754.13, 5,631.19 and 1,018.13 is: 1,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.13 : 5,631.19 = 1,018.13 : x
  2. Step 2: Convert to fraction form
    3,754.13/5,631.19 = 1,018.13/x
  3. Step 3: Cross multiply
    3,754.13x = 5,631.19 × 1,018.13
  4. Step 4: Simplify right side
    3,754.13x = 5,733,255.32
  5. Step 5: Solve for x
    x = 5,733,255.32/3,754.13
  6. Step 6: Final answer
    x = 1,527.19

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1.5x scale

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.