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Finding the Fourth Proportional to 10,671.94, 16,007.90 and 5,931.11

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Solution

The fourth proportional to 10,671.94, 16,007.90 and 5,931.11 is: 8,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.94 : 16,007.90 = 5,931.11 : x
  2. Step 2: Convert to fraction form
    10,671.94/16,007.90 = 5,931.11/x
  3. Step 3: Cross multiply
    10,671.94x = 16,007.90 × 5,931.11
  4. Step 4: Simplify right side
    10,671.94x = 94,944,626.13
  5. Step 5: Solve for x
    x = 94,944,626.13/10,671.94
  6. Step 6: Final answer
    x = 8,896.66

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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.