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Finding the Fourth Proportional to 8,735.66, 12,054.96 and 4,959.17

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Solution

The fourth proportional to 8,735.66, 12,054.96 and 4,959.17 is: 6,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.66 : 12,054.96 = 4,959.17 : x
  2. Step 2: Convert to fraction form
    8,735.66/12,054.96 = 4,959.17/x
  3. Step 3: Cross multiply
    8,735.66x = 12,054.96 × 4,959.17
  4. Step 4: Simplify right side
    8,735.66x = 59,782,595.98
  5. Step 5: Solve for x
    x = 59,782,595.98/8,735.66
  6. Step 6: Final answer
    x = 6,843.51

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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.