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Finding the Fourth Proportional to 8,933.91, 13,407.02 and 4,009.06

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Solution

The fourth proportional to 8,933.91, 13,407.02 and 4,009.06 is: 6,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.91 : 13,407.02 = 4,009.06 : x
  2. Step 2: Convert to fraction form
    8,933.91/13,407.02 = 4,009.06/x
  3. Step 3: Cross multiply
    8,933.91x = 13,407.02 × 4,009.06
  4. Step 4: Simplify right side
    8,933.91x = 53,749,559.35
  5. Step 5: Solve for x
    x = 53,749,559.35/8,933.91
  6. Step 6: Final answer
    x = 6,016.35

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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.