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Finding the Fourth Proportional to 3,014.66, 4,517.12 and 1,783.20

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Solution

The fourth proportional to 3,014.66, 4,517.12 and 1,783.20 is: 2,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.66 : 4,517.12 = 1,783.20 : x
  2. Step 2: Convert to fraction form
    3,014.66/4,517.12 = 1,783.20/x
  3. Step 3: Cross multiply
    3,014.66x = 4,517.12 × 1,783.20
  4. Step 4: Simplify right side
    3,014.66x = 8,054,928.38
  5. Step 5: Solve for x
    x = 8,054,928.38/3,014.66
  6. Step 6: Final answer
    x = 2,671.92

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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.