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Finding the Fourth Proportional to 58,065.94, 87,107.57 and 20,622.87

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Solution

The fourth proportional to 58,065.94, 87,107.57 and 20,622.87 is: 30,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,065.94 : 87,107.57 = 20,622.87 : x
  2. Step 2: Convert to fraction form
    58,065.94/87,107.57 = 20,622.87/x
  3. Step 3: Cross multiply
    58,065.94x = 87,107.57 × 20,622.87
  4. Step 4: Simplify right side
    58,065.94x = 1,796,408,092.13
  5. Step 5: Solve for x
    x = 1,796,408,092.13/58,065.94
  6. Step 6: Final answer
    x = 30,937.38

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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.