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Finding the Fourth Proportional to 8,647.91, 11,924.03 and 6,054.29

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Solution

The fourth proportional to 8,647.91, 11,924.03 and 6,054.29 is: 8,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.91 : 11,924.03 = 6,054.29 : x
  2. Step 2: Convert to fraction form
    8,647.91/11,924.03 = 6,054.29/x
  3. Step 3: Cross multiply
    8,647.91x = 11,924.03 × 6,054.29
  4. Step 4: Simplify right side
    8,647.91x = 72,191,491.10
  5. Step 5: Solve for x
    x = 72,191,491.10/8,647.91
  6. Step 6: Final answer
    x = 8,347.86

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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.