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Finding the Fourth Proportional to 9,998.29, 15,004.86 and 3,764.44

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Solution

The fourth proportional to 9,998.29, 15,004.86 and 3,764.44 is: 5,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.29 : 15,004.86 = 3,764.44 : x
  2. Step 2: Convert to fraction form
    9,998.29/15,004.86 = 3,764.44/x
  3. Step 3: Cross multiply
    9,998.29x = 15,004.86 × 3,764.44
  4. Step 4: Simplify right side
    9,998.29x = 56,484,895.18
  5. Step 5: Solve for x
    x = 56,484,895.18/9,998.29
  6. Step 6: Final answer
    x = 5,649.46

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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.