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Finding the Fourth Proportional to 18,737.88, 27,970.10 and 16,373.22

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Solution

The fourth proportional to 18,737.88, 27,970.10 and 16,373.22 is: 24,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.88 : 27,970.10 = 16,373.22 : x
  2. Step 2: Convert to fraction form
    18,737.88/27,970.10 = 16,373.22/x
  3. Step 3: Cross multiply
    18,737.88x = 27,970.10 × 16,373.22
  4. Step 4: Simplify right side
    18,737.88x = 457,960,600.72
  5. Step 5: Solve for x
    x = 457,960,600.72/18,737.88
  6. Step 6: Final answer
    x = 24,440.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.