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Finding the Fourth Proportional to 8,528.76, 12,765.06 and 6,019.11

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Solution

The fourth proportional to 8,528.76, 12,765.06 and 6,019.11 is: 9,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.76 : 12,765.06 = 6,019.11 : x
  2. Step 2: Convert to fraction form
    8,528.76/12,765.06 = 6,019.11/x
  3. Step 3: Cross multiply
    8,528.76x = 12,765.06 × 6,019.11
  4. Step 4: Simplify right side
    8,528.76x = 76,834,300.30
  5. Step 5: Solve for x
    x = 76,834,300.30/8,528.76
  6. Step 6: Final answer
    x = 9,008.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.