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Finding the Fourth Proportional to 22,794.70, 31,410.03 and 16,816.90

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Solution

The fourth proportional to 22,794.70, 31,410.03 and 16,816.90 is: 23,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.70 : 31,410.03 = 16,816.90 : x
  2. Step 2: Convert to fraction form
    22,794.70/31,410.03 = 16,816.90/x
  3. Step 3: Cross multiply
    22,794.70x = 31,410.03 × 16,816.90
  4. Step 4: Simplify right side
    22,794.70x = 528,219,333.51
  5. Step 5: Solve for x
    x = 528,219,333.51/22,794.70
  6. Step 6: Final answer
    x = 23,172.90

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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.