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Finding the Fourth Proportional to 5,011.22, 6,917.19 and 2,917.10

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Solution

The fourth proportional to 5,011.22, 6,917.19 and 2,917.10 is: 4,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.22 : 6,917.19 = 2,917.10 : x
  2. Step 2: Convert to fraction form
    5,011.22/6,917.19 = 2,917.10/x
  3. Step 3: Cross multiply
    5,011.22x = 6,917.19 × 2,917.10
  4. Step 4: Simplify right side
    5,011.22x = 20,178,134.95
  5. Step 5: Solve for x
    x = 20,178,134.95/5,011.22
  6. Step 6: Final answer
    x = 4,026.59

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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.