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Finding the Fourth Proportional to 8,000.13, 11,026.62 and 5,477.79

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Solution

The fourth proportional to 8,000.13, 11,026.62 and 5,477.79 is: 7,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.13 : 11,026.62 = 5,477.79 : x
  2. Step 2: Convert to fraction form
    8,000.13/11,026.62 = 5,477.79/x
  3. Step 3: Cross multiply
    8,000.13x = 11,026.62 × 5,477.79
  4. Step 4: Simplify right side
    8,000.13x = 60,401,508.77
  5. Step 5: Solve for x
    x = 60,401,508.77/8,000.13
  6. Step 6: Final answer
    x = 7,550.07

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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.