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Finding the Fourth Proportional to 16,315.74, 22,512.48 and 9,601.68

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Solution

The fourth proportional to 16,315.74, 22,512.48 and 9,601.68 is: 13,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.74 : 22,512.48 = 9,601.68 : x
  2. Step 2: Convert to fraction form
    16,315.74/22,512.48 = 9,601.68/x
  3. Step 3: Cross multiply
    16,315.74x = 22,512.48 × 9,601.68
  4. Step 4: Simplify right side
    16,315.74x = 216,157,628.97
  5. Step 5: Solve for x
    x = 216,157,628.97/16,315.74
  6. Step 6: Final answer
    x = 13,248.41

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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.