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Finding the Fourth Proportional to 35,189.91, 52,782.87 and 9,891.09

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Solution

The fourth proportional to 35,189.91, 52,782.87 and 9,891.09 is: 14,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,189.91 : 52,782.87 = 9,891.09 : x
  2. Step 2: Convert to fraction form
    35,189.91/52,782.87 = 9,891.09/x
  3. Step 3: Cross multiply
    35,189.91x = 52,782.87 × 9,891.09
  4. Step 4: Simplify right side
    35,189.91x = 522,080,117.63
  5. Step 5: Solve for x
    x = 522,080,117.63/35,189.91
  6. Step 6: Final answer
    x = 14,836.07

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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.