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Finding the Fourth Proportional to 17,192.64, 23,737.32 and 13,206.64

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Solution

The fourth proportional to 17,192.64, 23,737.32 and 13,206.64 is: 18,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,192.64 : 23,737.32 = 13,206.64 : x
  2. Step 2: Convert to fraction form
    17,192.64/23,737.32 = 13,206.64/x
  3. Step 3: Cross multiply
    17,192.64x = 23,737.32 × 13,206.64
  4. Step 4: Simplify right side
    17,192.64x = 313,490,239.80
  5. Step 5: Solve for x
    x = 313,490,239.80/17,192.64
  6. Step 6: Final answer
    x = 18,233.98

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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.