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Finding the Fourth Proportional to 16,479.36, 22,741.02 and 9,309.61

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Solution

The fourth proportional to 16,479.36, 22,741.02 and 9,309.61 is: 12,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.36 : 22,741.02 = 9,309.61 : x
  2. Step 2: Convert to fraction form
    16,479.36/22,741.02 = 9,309.61/x
  3. Step 3: Cross multiply
    16,479.36x = 22,741.02 × 9,309.61
  4. Step 4: Simplify right side
    16,479.36x = 211,710,005.26
  5. Step 5: Solve for x
    x = 211,710,005.26/16,479.36
  6. Step 6: Final answer
    x = 12,846.98

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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.