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Finding the Fourth Proportional to 22,076.76, 30,477.21 and 17,029.65

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Solution

The fourth proportional to 22,076.76, 30,477.21 and 17,029.65 is: 23,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,076.76 : 30,477.21 = 17,029.65 : x
  2. Step 2: Convert to fraction form
    22,076.76/30,477.21 = 17,029.65/x
  3. Step 3: Cross multiply
    22,076.76x = 30,477.21 × 17,029.65
  4. Step 4: Simplify right side
    22,076.76x = 519,015,981.74
  5. Step 5: Solve for x
    x = 519,015,981.74/22,076.76
  6. Step 6: Final answer
    x = 23,509.61

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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.