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Finding the Fourth Proportional to 16,659.79, 24,980.91 and 6,127.09

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Solution

The fourth proportional to 16,659.79, 24,980.91 and 6,127.09 is: 9,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.79 : 24,980.91 = 6,127.09 : x
  2. Step 2: Convert to fraction form
    16,659.79/24,980.91 = 6,127.09/x
  3. Step 3: Cross multiply
    16,659.79x = 24,980.91 × 6,127.09
  4. Step 4: Simplify right side
    16,659.79x = 153,060,198.42
  5. Step 5: Solve for x
    x = 153,060,198.42/16,659.79
  6. Step 6: Final answer
    x = 9,187.40

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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.