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Finding the Fourth Proportional to 16,631.64, 24,952.14 and 6,777.99

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Solution

The fourth proportional to 16,631.64, 24,952.14 and 6,777.99 is: 10,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.64 : 24,952.14 = 6,777.99 : x
  2. Step 2: Convert to fraction form
    16,631.64/24,952.14 = 6,777.99/x
  3. Step 3: Cross multiply
    16,631.64x = 24,952.14 × 6,777.99
  4. Step 4: Simplify right side
    16,631.64x = 169,125,355.40
  5. Step 5: Solve for x
    x = 169,125,355.40/16,631.64
  6. Step 6: Final answer
    x = 10,168.89

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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.