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Finding the Fourth Proportional to 11,334.78, 17,014.59 and 9,009.72

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Solution

The fourth proportional to 11,334.78, 17,014.59 and 9,009.72 is: 13,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.78 : 17,014.59 = 9,009.72 : x
  2. Step 2: Convert to fraction form
    11,334.78/17,014.59 = 9,009.72/x
  3. Step 3: Cross multiply
    11,334.78x = 17,014.59 × 9,009.72
  4. Step 4: Simplify right side
    11,334.78x = 153,296,691.81
  5. Step 5: Solve for x
    x = 153,296,691.81/11,334.78
  6. Step 6: Final answer
    x = 13,524.45

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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.