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Finding the Fourth Proportional to 11,416.50, 17,125.50 and 4,399.86

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Solution

The fourth proportional to 11,416.50, 17,125.50 and 4,399.86 is: 6,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.50 : 17,125.50 = 4,399.86 : x
  2. Step 2: Convert to fraction form
    11,416.50/17,125.50 = 4,399.86/x
  3. Step 3: Cross multiply
    11,416.50x = 17,125.50 × 4,399.86
  4. Step 4: Simplify right side
    11,416.50x = 75,349,802.43
  5. Step 5: Solve for x
    x = 75,349,802.43/11,416.50
  6. Step 6: Final answer
    x = 6,600.08

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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.