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Finding the Fourth Proportional to 11,520.86, 17,267.04 and 5,971.01

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Solution

The fourth proportional to 11,520.86, 17,267.04 and 5,971.01 is: 8,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.86 : 17,267.04 = 5,971.01 : x
  2. Step 2: Convert to fraction form
    11,520.86/17,267.04 = 5,971.01/x
  3. Step 3: Cross multiply
    11,520.86x = 17,267.04 × 5,971.01
  4. Step 4: Simplify right side
    11,520.86x = 103,101,582.18
  5. Step 5: Solve for x
    x = 103,101,582.18/11,520.86
  6. Step 6: Final answer
    x = 8,949.13

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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.