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Finding the Fourth Proportional to 58,900.80, 88,286.93 and 28,935.66

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Solution

The fourth proportional to 58,900.80, 88,286.93 and 28,935.66 is: 43,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,900.80 : 88,286.93 = 28,935.66 : x
  2. Step 2: Convert to fraction form
    58,900.80/88,286.93 = 28,935.66/x
  3. Step 3: Cross multiply
    58,900.80x = 88,286.93 × 28,935.66
  4. Step 4: Simplify right side
    58,900.80x = 2,554,640,588.92
  5. Step 5: Solve for x
    x = 2,554,640,588.92/58,900.80
  6. Step 6: Final answer
    x = 43,371.92

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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.