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Finding the Fourth Proportional to 8,006.99, 12,012.38 and 2,742.06

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Solution

The fourth proportional to 8,006.99, 12,012.38 and 2,742.06 is: 4,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.99 : 12,012.38 = 2,742.06 : x
  2. Step 2: Convert to fraction form
    8,006.99/12,012.38 = 2,742.06/x
  3. Step 3: Cross multiply
    8,006.99x = 12,012.38 × 2,742.06
  4. Step 4: Simplify right side
    8,006.99x = 32,938,652.99
  5. Step 5: Solve for x
    x = 32,938,652.99/8,006.99
  6. Step 6: Final answer
    x = 4,113.74

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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.