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Finding the Fourth Proportional to 8,530.15, 12,797.10 and 2,607.54

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Solution

The fourth proportional to 8,530.15, 12,797.10 and 2,607.54 is: 3,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.15 : 12,797.10 = 2,607.54 : x
  2. Step 2: Convert to fraction form
    8,530.15/12,797.10 = 2,607.54/x
  3. Step 3: Cross multiply
    8,530.15x = 12,797.10 × 2,607.54
  4. Step 4: Simplify right side
    8,530.15x = 33,368,950.13
  5. Step 5: Solve for x
    x = 33,368,950.13/8,530.15
  6. Step 6: Final answer
    x = 3,911.88

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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.