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Finding the Fourth Proportional to 12,061.99, 16,646.01 and 6,756.85

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Solution

The fourth proportional to 12,061.99, 16,646.01 and 6,756.85 is: 9,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061.99 : 16,646.01 = 6,756.85 : x
  2. Step 2: Convert to fraction form
    12,061.99/16,646.01 = 6,756.85/x
  3. Step 3: Cross multiply
    12,061.99x = 16,646.01 × 6,756.85
  4. Step 4: Simplify right side
    12,061.99x = 112,474,509.44
  5. Step 5: Solve for x
    x = 112,474,509.44/12,061.99
  6. Step 6: Final answer
    x = 9,324.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.