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Finding the Fourth Proportional to 2,913.06, 4,019.16 and 1,794.18

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Solution

The fourth proportional to 2,913.06, 4,019.16 and 1,794.18 is: 2,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.06 : 4,019.16 = 1,794.18 : x
  2. Step 2: Convert to fraction form
    2,913.06/4,019.16 = 1,794.18/x
  3. Step 3: Cross multiply
    2,913.06x = 4,019.16 × 1,794.18
  4. Step 4: Simplify right side
    2,913.06x = 7,211,096.49
  5. Step 5: Solve for x
    x = 7,211,096.49/2,913.06
  6. Step 6: Final answer
    x = 2,475.44

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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.