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Finding the Fourth Proportional to 14,452.71, 19,944.32 and 8,079.32

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Solution

The fourth proportional to 14,452.71, 19,944.32 and 8,079.32 is: 11,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.71 : 19,944.32 = 8,079.32 : x
  2. Step 2: Convert to fraction form
    14,452.71/19,944.32 = 8,079.32/x
  3. Step 3: Cross multiply
    14,452.71x = 19,944.32 × 8,079.32
  4. Step 4: Simplify right side
    14,452.71x = 161,136,403.34
  5. Step 5: Solve for x
    x = 161,136,403.34/14,452.71
  6. Step 6: Final answer
    x = 11,149.22

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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.