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Finding the Fourth Proportional to 8,480.51, 11,702.52 and 4,895.61

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Solution

The fourth proportional to 8,480.51, 11,702.52 and 4,895.61 is: 6,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.51 : 11,702.52 = 4,895.61 : x
  2. Step 2: Convert to fraction form
    8,480.51/11,702.52 = 4,895.61/x
  3. Step 3: Cross multiply
    8,480.51x = 11,702.52 × 4,895.61
  4. Step 4: Simplify right side
    8,480.51x = 57,290,973.94
  5. Step 5: Solve for x
    x = 57,290,973.94/8,480.51
  6. Step 6: Final answer
    x = 6,755.60

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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.