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Finding the Fourth Proportional to 11,662.52, 17,503.80 and 6,119.72

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Solution

The fourth proportional to 11,662.52, 17,503.80 and 6,119.72 is: 9,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662.52 : 17,503.80 = 6,119.72 : x
  2. Step 2: Convert to fraction form
    11,662.52/17,503.80 = 6,119.72/x
  3. Step 3: Cross multiply
    11,662.52x = 17,503.80 × 6,119.72
  4. Step 4: Simplify right side
    11,662.52x = 107,118,354.94
  5. Step 5: Solve for x
    x = 107,118,354.94/11,662.52
  6. Step 6: Final answer
    x = 9,184.84

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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.