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Finding the Fourth Proportional to 10,670.01, 16,005.86 and 2,878.71

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Solution

The fourth proportional to 10,670.01, 16,005.86 and 2,878.71 is: 4,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.01 : 16,005.86 = 2,878.71 : x
  2. Step 2: Convert to fraction form
    10,670.01/16,005.86 = 2,878.71/x
  3. Step 3: Cross multiply
    10,670.01x = 16,005.86 × 2,878.71
  4. Step 4: Simplify right side
    10,670.01x = 46,076,229.24
  5. Step 5: Solve for x
    x = 46,076,229.24/10,670.01
  6. Step 6: Final answer
    x = 4,318.29

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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.