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Finding the Fourth Proportional to 34,357.75, 47,413.71 and 19,453.75

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Solution

The fourth proportional to 34,357.75, 47,413.71 and 19,453.75 is: 26,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,357.75 : 47,413.71 = 19,453.75 : x
  2. Step 2: Convert to fraction form
    34,357.75/47,413.71 = 19,453.75/x
  3. Step 3: Cross multiply
    34,357.75x = 47,413.71 × 19,453.75
  4. Step 4: Simplify right side
    34,357.75x = 922,374,460.91
  5. Step 5: Solve for x
    x = 922,374,460.91/34,357.75
  6. Step 6: Final answer
    x = 26,846.18

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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.