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Finding the Fourth Proportional to 34,413.72, 47,494.53 and 19,310.46

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Solution

The fourth proportional to 34,413.72, 47,494.53 and 19,310.46 is: 26,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,413.72 : 47,494.53 = 19,310.46 : x
  2. Step 2: Convert to fraction form
    34,413.72/47,494.53 = 19,310.46/x
  3. Step 3: Cross multiply
    34,413.72x = 47,494.53 × 19,310.46
  4. Step 4: Simplify right side
    34,413.72x = 917,141,221.78
  5. Step 5: Solve for x
    x = 917,141,221.78/34,413.72
  6. Step 6: Final answer
    x = 26,650.45

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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.