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Finding the Fourth Proportional to 12,342.99, 17,041.28 and 11,014.41

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Solution

The fourth proportional to 12,342.99, 17,041.28 and 11,014.41 is: 15,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.99 : 17,041.28 = 11,014.41 : x
  2. Step 2: Convert to fraction form
    12,342.99/17,041.28 = 11,014.41/x
  3. Step 3: Cross multiply
    12,342.99x = 17,041.28 × 11,014.41
  4. Step 4: Simplify right side
    12,342.99x = 187,699,589.77
  5. Step 5: Solve for x
    x = 187,699,589.77/12,342.99
  6. Step 6: Final answer
    x = 15,206.98

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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.