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Finding the Fourth Proportional to 19,469.80, 26,802.25 and 17,479.63

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Solution

The fourth proportional to 19,469.80, 26,802.25 and 17,479.63 is: 24,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.80 : 26,802.25 = 17,479.63 : x
  2. Step 2: Convert to fraction form
    19,469.80/26,802.25 = 17,479.63/x
  3. Step 3: Cross multiply
    19,469.80x = 26,802.25 × 17,479.63
  4. Step 4: Simplify right side
    19,469.80x = 468,493,413.17
  5. Step 5: Solve for x
    x = 468,493,413.17/19,469.80
  6. Step 6: Final answer
    x = 24,062.57

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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.