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Finding the Fourth Proportional to 10,671.99, 16,005.24 and 7,339.56

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Solution

The fourth proportional to 10,671.99, 16,005.24 and 7,339.56 is: 11,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.99 : 16,005.24 = 7,339.56 : x
  2. Step 2: Convert to fraction form
    10,671.99/16,005.24 = 7,339.56/x
  3. Step 3: Cross multiply
    10,671.99x = 16,005.24 × 7,339.56
  4. Step 4: Simplify right side
    10,671.99x = 117,471,419.29
  5. Step 5: Solve for x
    x = 117,471,419.29/10,671.99
  6. Step 6: Final answer
    x = 11,007.45

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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.