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Finding the Fourth Proportional to 17,806.76, 26,737.32 and 15,069.32

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Solution

The fourth proportional to 17,806.76, 26,737.32 and 15,069.32 is: 22,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.76 : 26,737.32 = 15,069.32 : x
  2. Step 2: Convert to fraction form
    17,806.76/26,737.32 = 15,069.32/x
  3. Step 3: Cross multiply
    17,806.76x = 26,737.32 × 15,069.32
  4. Step 4: Simplify right side
    17,806.76x = 402,913,231.02
  5. Step 5: Solve for x
    x = 402,913,231.02/17,806.76
  6. Step 6: Final answer
    x = 22,626.98

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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.