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Finding the Fourth Proportional to 17,980.71, 24,824.91 and 11,610.15

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Solution

The fourth proportional to 17,980.71, 24,824.91 and 11,610.15 is: 16,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.71 : 24,824.91 = 11,610.15 : x
  2. Step 2: Convert to fraction form
    17,980.71/24,824.91 = 11,610.15/x
  3. Step 3: Cross multiply
    17,980.71x = 24,824.91 × 11,610.15
  4. Step 4: Simplify right side
    17,980.71x = 288,220,928.84
  5. Step 5: Solve for x
    x = 288,220,928.84/17,980.71
  6. Step 6: Final answer
    x = 16,029.45

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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.