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Finding the Fourth Proportional to 10,491.88, 14,478.85 and 6,015.90

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Solution

The fourth proportional to 10,491.88, 14,478.85 and 6,015.90 is: 8,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.88 : 14,478.85 = 6,015.90 : x
  2. Step 2: Convert to fraction form
    10,491.88/14,478.85 = 6,015.90/x
  3. Step 3: Cross multiply
    10,491.88x = 14,478.85 × 6,015.90
  4. Step 4: Simplify right side
    10,491.88x = 87,103,313.72
  5. Step 5: Solve for x
    x = 87,103,313.72/10,491.88
  6. Step 6: Final answer
    x = 8,301.97

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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.