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Finding the Fourth Proportional to 55,657.36, 76,815.03 and 34,443.46

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Solution

The fourth proportional to 55,657.36, 76,815.03 and 34,443.46 is: 47,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.36 : 76,815.03 = 34,443.46 : x
  2. Step 2: Convert to fraction form
    55,657.36/76,815.03 = 34,443.46/x
  3. Step 3: Cross multiply
    55,657.36x = 76,815.03 × 34,443.46
  4. Step 4: Simplify right side
    55,657.36x = 2,645,775,413.20
  5. Step 5: Solve for x
    x = 2,645,775,413.20/55,657.36
  6. Step 6: Final answer
    x = 47,536.85

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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.