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Finding the Fourth Proportional to 14,997.81, 20,697.02 and 9,029.73

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Solution

The fourth proportional to 14,997.81, 20,697.02 and 9,029.73 is: 12,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.81 : 20,697.02 = 9,029.73 : x
  2. Step 2: Convert to fraction form
    14,997.81/20,697.02 = 9,029.73/x
  3. Step 3: Cross multiply
    14,997.81x = 20,697.02 × 9,029.73
  4. Step 4: Simplify right side
    14,997.81x = 186,888,502.40
  5. Step 5: Solve for x
    x = 186,888,502.40/14,997.81
  6. Step 6: Final answer
    x = 12,461.05

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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.