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Finding the Fourth Proportional to 6,492.06, 8,959.41 and 4,917.42

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Solution

The fourth proportional to 6,492.06, 8,959.41 and 4,917.42 is: 6,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.06 : 8,959.41 = 4,917.42 : x
  2. Step 2: Convert to fraction form
    6,492.06/8,959.41 = 4,917.42/x
  3. Step 3: Cross multiply
    6,492.06x = 8,959.41 × 4,917.42
  4. Step 4: Simplify right side
    6,492.06x = 44,057,181.92
  5. Step 5: Solve for x
    x = 44,057,181.92/6,492.06
  6. Step 6: Final answer
    x = 6,786.32

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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.