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Finding the Fourth Proportional to 14,673.35, 20,249.08 and 7,959.13

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Solution

The fourth proportional to 14,673.35, 20,249.08 and 7,959.13 is: 10,983.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.35 : 20,249.08 = 7,959.13 : x
  2. Step 2: Convert to fraction form
    14,673.35/20,249.08 = 7,959.13/x
  3. Step 3: Cross multiply
    14,673.35x = 20,249.08 × 7,959.13
  4. Step 4: Simplify right side
    14,673.35x = 161,164,989.58
  5. Step 5: Solve for x
    x = 161,164,989.58/14,673.35
  6. Step 6: Final answer
    x = 10,983.52

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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.