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Finding the Fourth Proportional to 16,703.68, 23,050.74 and 9,629.68

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Solution

The fourth proportional to 16,703.68, 23,050.74 and 9,629.68 is: 13,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,703.68 : 23,050.74 = 9,629.68 : x
  2. Step 2: Convert to fraction form
    16,703.68/23,050.74 = 9,629.68/x
  3. Step 3: Cross multiply
    16,703.68x = 23,050.74 × 9,629.68
  4. Step 4: Simplify right side
    16,703.68x = 221,971,249.96
  5. Step 5: Solve for x
    x = 221,971,249.96/16,703.68
  6. Step 6: Final answer
    x = 13,288.76

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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.