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Finding the Fourth Proportional to 14,039.67, 21,062.75 and 7,472.19

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Solution

The fourth proportional to 14,039.67, 21,062.75 and 7,472.19 is: 11,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.67 : 21,062.75 = 7,472.19 : x
  2. Step 2: Convert to fraction form
    14,039.67/21,062.75 = 7,472.19/x
  3. Step 3: Cross multiply
    14,039.67x = 21,062.75 × 7,472.19
  4. Step 4: Simplify right side
    14,039.67x = 157,384,832.56
  5. Step 5: Solve for x
    x = 157,384,832.56/14,039.67
  6. Step 6: Final answer
    x = 11,210.01

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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.