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Finding the Fourth Proportional to 8,330.76, 12,495.87 and 2,174.76

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Solution

The fourth proportional to 8,330.76, 12,495.87 and 2,174.76 is: 3,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.76 : 12,495.87 = 2,174.76 : x
  2. Step 2: Convert to fraction form
    8,330.76/12,495.87 = 2,174.76/x
  3. Step 3: Cross multiply
    8,330.76x = 12,495.87 × 2,174.76
  4. Step 4: Simplify right side
    8,330.76x = 27,175,518.24
  5. Step 5: Solve for x
    x = 27,175,518.24/8,330.76
  6. Step 6: Final answer
    x = 3,262.07

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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.