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Finding the Fourth Proportional to 36,358.95, 54,538.47 and 31,413.63

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Solution

The fourth proportional to 36,358.95, 54,538.47 and 31,413.63 is: 47,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,358.95 : 54,538.47 = 31,413.63 : x
  2. Step 2: Convert to fraction form
    36,358.95/54,538.47 = 31,413.63/x
  3. Step 3: Cross multiply
    36,358.95x = 54,538.47 × 31,413.63
  4. Step 4: Simplify right side
    36,358.95x = 1,713,251,317.35
  5. Step 5: Solve for x
    x = 1,713,251,317.35/36,358.95
  6. Step 6: Final answer
    x = 47,120.48

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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.