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Finding the Fourth Proportional to 12,462.68, 17,189.63 and 12,050.80

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Solution

The fourth proportional to 12,462.68, 17,189.63 and 12,050.80 is: 16,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.68 : 17,189.63 = 12,050.80 : x
  2. Step 2: Convert to fraction form
    12,462.68/17,189.63 = 12,050.80/x
  3. Step 3: Cross multiply
    12,462.68x = 17,189.63 × 12,050.80
  4. Step 4: Simplify right side
    12,462.68x = 207,148,689.98
  5. Step 5: Solve for x
    x = 207,148,689.98/12,462.68
  6. Step 6: Final answer
    x = 16,621.52

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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.