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Finding the Fourth Proportional to 5,800.15, 8,691.90 and 3,607.60

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Solution

The fourth proportional to 5,800.15, 8,691.90 and 3,607.60 is: 5,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.15 : 8,691.90 = 3,607.60 : x
  2. Step 2: Convert to fraction form
    5,800.15/8,691.90 = 3,607.60/x
  3. Step 3: Cross multiply
    5,800.15x = 8,691.90 × 3,607.60
  4. Step 4: Simplify right side
    5,800.15x = 31,356,898.44
  5. Step 5: Solve for x
    x = 31,356,898.44/5,800.15
  6. Step 6: Final answer
    x = 5,406.22

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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.