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Finding the Fourth Proportional to 8,595.87, 12,895.82 and 2,672.45

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Solution

The fourth proportional to 8,595.87, 12,895.82 and 2,672.45 is: 4,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.87 : 12,895.82 = 2,672.45 : x
  2. Step 2: Convert to fraction form
    8,595.87/12,895.82 = 2,672.45/x
  3. Step 3: Cross multiply
    8,595.87x = 12,895.82 × 2,672.45
  4. Step 4: Simplify right side
    8,595.87x = 34,463,356.32
  5. Step 5: Solve for x
    x = 34,463,356.32/8,595.87
  6. Step 6: Final answer
    x = 4,009.29

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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.