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Finding the Fourth Proportional to 14,932.81, 22,413.08 and 7,542.46

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Solution

The fourth proportional to 14,932.81, 22,413.08 and 7,542.46 is: 11,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.81 : 22,413.08 = 7,542.46 : x
  2. Step 2: Convert to fraction form
    14,932.81/22,413.08 = 7,542.46/x
  3. Step 3: Cross multiply
    14,932.81x = 22,413.08 × 7,542.46
  4. Step 4: Simplify right side
    14,932.81x = 169,049,759.38
  5. Step 5: Solve for x
    x = 169,049,759.38/14,932.81
  6. Step 6: Final answer
    x = 11,320.69

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1.5x scale

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.