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Finding the Fourth Proportional to 63,413.69, 87,511.80 and 36,555.71

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Solution

The fourth proportional to 63,413.69, 87,511.80 and 36,555.71 is: 50,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,413.69 : 87,511.80 = 36,555.71 : x
  2. Step 2: Convert to fraction form
    63,413.69/87,511.80 = 36,555.71/x
  3. Step 3: Cross multiply
    63,413.69x = 87,511.80 × 36,555.71
  4. Step 4: Simplify right side
    63,413.69x = 3,199,055,544.82
  5. Step 5: Solve for x
    x = 3,199,055,544.82/63,413.69
  6. Step 6: Final answer
    x = 50,447.40

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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.