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Finding the Fourth Proportional to 17,220.66, 25,830.93 and 6,127.77

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Solution

The fourth proportional to 17,220.66, 25,830.93 and 6,127.77 is: 9,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.66 : 25,830.93 = 6,127.77 : x
  2. Step 2: Convert to fraction form
    17,220.66/25,830.93 = 6,127.77/x
  3. Step 3: Cross multiply
    17,220.66x = 25,830.93 × 6,127.77
  4. Step 4: Simplify right side
    17,220.66x = 158,285,997.93
  5. Step 5: Solve for x
    x = 158,285,997.93/17,220.66
  6. Step 6: Final answer
    x = 9,191.63

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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.