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Finding the Fourth Proportional to 3,063.53, 4,228.64 and 1,738.12

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Solution

The fourth proportional to 3,063.53, 4,228.64 and 1,738.12 is: 2,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.53 : 4,228.64 = 1,738.12 : x
  2. Step 2: Convert to fraction form
    3,063.53/4,228.64 = 1,738.12/x
  3. Step 3: Cross multiply
    3,063.53x = 4,228.64 × 1,738.12
  4. Step 4: Simplify right side
    3,063.53x = 7,349,883.76
  5. Step 5: Solve for x
    x = 7,349,883.76/3,063.53
  6. Step 6: Final answer
    x = 2,399.16

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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.