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Finding the Fourth Proportional to 5,808.32, 8,702.04 and 4,889.60

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Solution

The fourth proportional to 5,808.32, 8,702.04 and 4,889.60 is: 7,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.32 : 8,702.04 = 4,889.60 : x
  2. Step 2: Convert to fraction form
    5,808.32/8,702.04 = 4,889.60/x
  3. Step 3: Cross multiply
    5,808.32x = 8,702.04 × 4,889.60
  4. Step 4: Simplify right side
    5,808.32x = 42,549,494.78
  5. Step 5: Solve for x
    x = 42,549,494.78/5,808.32
  6. Step 6: Final answer
    x = 7,325.61

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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.