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Finding the Fourth Proportional to 6,274.86, 9,411.24 and 1,891.29

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Solution

The fourth proportional to 6,274.86, 9,411.24 and 1,891.29 is: 2,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274.86 : 9,411.24 = 1,891.29 : x
  2. Step 2: Convert to fraction form
    6,274.86/9,411.24 = 1,891.29/x
  3. Step 3: Cross multiply
    6,274.86x = 9,411.24 × 1,891.29
  4. Step 4: Simplify right side
    6,274.86x = 17,799,384.10
  5. Step 5: Solve for x
    x = 17,799,384.10/6,274.86
  6. Step 6: Final answer
    x = 2,836.62

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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.