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Finding the Fourth Proportional to 8,479.08, 11,701.43 and 4,702.04

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Solution

The fourth proportional to 8,479.08, 11,701.43 and 4,702.04 is: 6,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.08 : 11,701.43 = 4,702.04 : x
  2. Step 2: Convert to fraction form
    8,479.08/11,701.43 = 4,702.04/x
  3. Step 3: Cross multiply
    8,479.08x = 11,701.43 × 4,702.04
  4. Step 4: Simplify right side
    8,479.08x = 55,020,509.90
  5. Step 5: Solve for x
    x = 55,020,509.90/8,479.08
  6. Step 6: Final answer
    x = 6,488.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.