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Finding the Fourth Proportional to 3,389.99, 5,070.94 and 3,182.63

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Solution

The fourth proportional to 3,389.99, 5,070.94 and 3,182.63 is: 4,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.99 : 5,070.94 = 3,182.63 : x
  2. Step 2: Convert to fraction form
    3,389.99/5,070.94 = 3,182.63/x
  3. Step 3: Cross multiply
    3,389.99x = 5,070.94 × 3,182.63
  4. Step 4: Simplify right side
    3,389.99x = 16,138,892.46
  5. Step 5: Solve for x
    x = 16,138,892.46/3,389.99
  6. Step 6: Final answer
    x = 4,760.76

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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.