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Finding the Fourth Proportional to 8,826.62, 12,181.02 and 5,100.62

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Solution

The fourth proportional to 8,826.62, 12,181.02 and 5,100.62 is: 7,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.62 : 12,181.02 = 5,100.62 : x
  2. Step 2: Convert to fraction form
    8,826.62/12,181.02 = 5,100.62/x
  3. Step 3: Cross multiply
    8,826.62x = 12,181.02 × 5,100.62
  4. Step 4: Simplify right side
    8,826.62x = 62,130,754.23
  5. Step 5: Solve for x
    x = 62,130,754.23/8,826.62
  6. Step 6: Final answer
    x = 7,039.02

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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.