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Finding the Fourth Proportional to 5,658.15, 8,490.54 and 2,370.96

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Solution

The fourth proportional to 5,658.15, 8,490.54 and 2,370.96 is: 3,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.15 : 8,490.54 = 2,370.96 : x
  2. Step 2: Convert to fraction form
    5,658.15/8,490.54 = 2,370.96/x
  3. Step 3: Cross multiply
    5,658.15x = 8,490.54 × 2,370.96
  4. Step 4: Simplify right side
    5,658.15x = 20,130,730.72
  5. Step 5: Solve for x
    x = 20,130,730.72/5,658.15
  6. Step 6: Final answer
    x = 3,557.83

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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.