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Finding the Fourth Proportional to 10,068.98, 13,894.17 and 5,879.66

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Solution

The fourth proportional to 10,068.98, 13,894.17 and 5,879.66 is: 8,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.98 : 13,894.17 = 5,879.66 : x
  2. Step 2: Convert to fraction form
    10,068.98/13,894.17 = 5,879.66/x
  3. Step 3: Cross multiply
    10,068.98x = 13,894.17 × 5,879.66
  4. Step 4: Simplify right side
    10,068.98x = 81,692,995.58
  5. Step 5: Solve for x
    x = 81,692,995.58/10,068.98
  6. Step 6: Final answer
    x = 8,113.33

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1.5x scale

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.