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Finding the Fourth Proportional to 72,268.47, 108,413.12 and 22,352.94

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Solution

The fourth proportional to 72,268.47, 108,413.12 and 22,352.94 is: 33,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,268.47 : 108,413.12 = 22,352.94 : x
  2. Step 2: Convert to fraction form
    72,268.47/108,413.12 = 22,352.94/x
  3. Step 3: Cross multiply
    72,268.47x = 108,413.12 × 22,352.94
  4. Step 4: Simplify right side
    72,268.47x = 2,423,352,022.46
  5. Step 5: Solve for x
    x = 2,423,352,022.46/72,268.47
  6. Step 6: Final answer
    x = 33,532.63

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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.