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Finding the Fourth Proportional to 35,087.77, 48,415.52 and 19,980.73

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Solution

The fourth proportional to 35,087.77, 48,415.52 and 19,980.73 is: 27,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.77 : 48,415.52 = 19,980.73 : x
  2. Step 2: Convert to fraction form
    35,087.77/48,415.52 = 19,980.73/x
  3. Step 3: Cross multiply
    35,087.77x = 48,415.52 × 19,980.73
  4. Step 4: Simplify right side
    35,087.77x = 967,377,432.93
  5. Step 5: Solve for x
    x = 967,377,432.93/35,087.77
  6. Step 6: Final answer
    x = 27,570.22

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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.