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Finding the Fourth Proportional to 8,595.76, 12,895.24 and 2,439.76

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Solution

The fourth proportional to 8,595.76, 12,895.24 and 2,439.76 is: 3,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.76 : 12,895.24 = 2,439.76 : x
  2. Step 2: Convert to fraction form
    8,595.76/12,895.24 = 2,439.76/x
  3. Step 3: Cross multiply
    8,595.76x = 12,895.24 × 2,439.76
  4. Step 4: Simplify right side
    8,595.76x = 31,461,290.74
  5. Step 5: Solve for x
    x = 31,461,290.74/8,595.76
  6. Step 6: Final answer
    x = 3,660.09

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1.5x scale

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.