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Finding the Fourth Proportional to 8,595.88, 12,887.52 and 2,749.12

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Solution

The fourth proportional to 8,595.88, 12,887.52 and 2,749.12 is: 4,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.88 : 12,887.52 = 2,749.12 : x
  2. Step 2: Convert to fraction form
    8,595.88/12,887.52 = 2,749.12/x
  3. Step 3: Cross multiply
    8,595.88x = 12,887.52 × 2,749.12
  4. Step 4: Simplify right side
    8,595.88x = 35,429,338.98
  5. Step 5: Solve for x
    x = 35,429,338.98/8,595.88
  6. Step 6: Final answer
    x = 4,121.67

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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.