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Finding the Fourth Proportional to 3,381.52, 4,670.12 and 3,015.04

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Solution

The fourth proportional to 3,381.52, 4,670.12 and 3,015.04 is: 4,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.52 : 4,670.12 = 3,015.04 : x
  2. Step 2: Convert to fraction form
    3,381.52/4,670.12 = 3,015.04/x
  3. Step 3: Cross multiply
    3,381.52x = 4,670.12 × 3,015.04
  4. Step 4: Simplify right side
    3,381.52x = 14,080,598.60
  5. Step 5: Solve for x
    x = 14,080,598.60/3,381.52
  6. Step 6: Final answer
    x = 4,163.99

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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.