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Finding the Fourth Proportional to 69,133.56, 95,413.40 and 38,924.76

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Solution

The fourth proportional to 69,133.56, 95,413.40 and 38,924.76 is: 53,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,133.56 : 95,413.40 = 38,924.76 : x
  2. Step 2: Convert to fraction form
    69,133.56/95,413.40 = 38,924.76/x
  3. Step 3: Cross multiply
    69,133.56x = 95,413.40 × 38,924.76
  4. Step 4: Simplify right side
    69,133.56x = 3,713,944,004.93
  5. Step 5: Solve for x
    x = 3,713,944,004.93/69,133.56
  6. Step 6: Final answer
    x = 53,721.29

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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.