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Finding the Fourth Proportional to 22,053.64, 30,413.16 and 14,486.62

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Solution

The fourth proportional to 22,053.64, 30,413.16 and 14,486.62 is: 19,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.64 : 30,413.16 = 14,486.62 : x
  2. Step 2: Convert to fraction form
    22,053.64/30,413.16 = 14,486.62/x
  3. Step 3: Cross multiply
    22,053.64x = 30,413.16 × 14,486.62
  4. Step 4: Simplify right side
    22,053.64x = 440,583,891.92
  5. Step 5: Solve for x
    x = 440,583,891.92/22,053.64
  6. Step 6: Final answer
    x = 19,977.83

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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.