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Finding the Fourth Proportional to 72,857.77, 109,304.88 and 22,935.85

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Solution

The fourth proportional to 72,857.77, 109,304.88 and 22,935.85 is: 34,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,857.77 : 109,304.88 = 22,935.85 : x
  2. Step 2: Convert to fraction form
    72,857.77/109,304.88 = 22,935.85/x
  3. Step 3: Cross multiply
    72,857.77x = 109,304.88 × 22,935.85
  4. Step 4: Simplify right side
    72,857.77x = 2,507,000,331.95
  5. Step 5: Solve for x
    x = 2,507,000,331.95/72,857.77
  6. Step 6: Final answer
    x = 34,409.51

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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.