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Finding the Fourth Proportional to 10,662.53, 14,717.22 and 6,187.72

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Solution

The fourth proportional to 10,662.53, 14,717.22 and 6,187.72 is: 8,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.53 : 14,717.22 = 6,187.72 : x
  2. Step 2: Convert to fraction form
    10,662.53/14,717.22 = 6,187.72/x
  3. Step 3: Cross multiply
    10,662.53x = 14,717.22 × 6,187.72
  4. Step 4: Simplify right side
    10,662.53x = 91,066,005.60
  5. Step 5: Solve for x
    x = 91,066,005.60/10,662.53
  6. Step 6: Final answer
    x = 8,540.75

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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.