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Finding the Fourth Proportional to 8,495.15, 11,724.06 and 4,959.50

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Solution

The fourth proportional to 8,495.15, 11,724.06 and 4,959.50 is: 6,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.15 : 11,724.06 = 4,959.50 : x
  2. Step 2: Convert to fraction form
    8,495.15/11,724.06 = 4,959.50/x
  3. Step 3: Cross multiply
    8,495.15x = 11,724.06 × 4,959.50
  4. Step 4: Simplify right side
    8,495.15x = 58,145,416.95
  5. Step 5: Solve for x
    x = 58,145,416.95/8,495.15
  6. Step 6: Final answer
    x = 6,844.55

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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.