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Finding the Fourth Proportional to 58,793.90, 88,190.85 and 57,821.90

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Solution

The fourth proportional to 58,793.90, 88,190.85 and 57,821.90 is: 86,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,793.90 : 88,190.85 = 57,821.90 : x
  2. Step 2: Convert to fraction form
    58,793.90/88,190.85 = 57,821.90/x
  3. Step 3: Cross multiply
    58,793.90x = 88,190.85 × 57,821.90
  4. Step 4: Simplify right side
    58,793.90x = 5,099,362,509.62
  5. Step 5: Solve for x
    x = 5,099,362,509.62/58,793.90
  6. Step 6: Final answer
    x = 86,732.85

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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.