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Finding the Fourth Proportional to 16,923.17, 25,389.95 and 7,571.06

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Solution

The fourth proportional to 16,923.17, 25,389.95 and 7,571.06 is: 11,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923.17 : 25,389.95 = 7,571.06 : x
  2. Step 2: Convert to fraction form
    16,923.17/25,389.95 = 7,571.06/x
  3. Step 3: Cross multiply
    16,923.17x = 25,389.95 × 7,571.06
  4. Step 4: Simplify right side
    16,923.17x = 192,228,796.99
  5. Step 5: Solve for x
    x = 192,228,796.99/16,923.17
  6. Step 6: Final answer
    x = 11,358.91

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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.