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Finding the Fourth Proportional to 8,671.41, 13,007.10 and 3,473.64

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Solution

The fourth proportional to 8,671.41, 13,007.10 and 3,473.64 is: 5,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.41 : 13,007.10 = 3,473.64 : x
  2. Step 2: Convert to fraction form
    8,671.41/13,007.10 = 3,473.64/x
  3. Step 3: Cross multiply
    8,671.41x = 13,007.10 × 3,473.64
  4. Step 4: Simplify right side
    8,671.41x = 45,181,982.84
  5. Step 5: Solve for x
    x = 45,181,982.84/8,671.41
  6. Step 6: Final answer
    x = 5,210.45

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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.