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Finding the Fourth Proportional to 6,890.01, 9,508.01 and 4,236.99

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Solution

The fourth proportional to 6,890.01, 9,508.01 and 4,236.99 is: 5,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.01 : 9,508.01 = 4,236.99 : x
  2. Step 2: Convert to fraction form
    6,890.01/9,508.01 = 4,236.99/x
  3. Step 3: Cross multiply
    6,890.01x = 9,508.01 × 4,236.99
  4. Step 4: Simplify right side
    6,890.01x = 40,285,343.29
  5. Step 5: Solve for x
    x = 40,285,343.29/6,890.01
  6. Step 6: Final answer
    x = 5,846.92

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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.