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Finding the Fourth Proportional to 16,331.63, 22,536.99 and 9,617.54

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Solution

The fourth proportional to 16,331.63, 22,536.99 and 9,617.54 is: 13,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.63 : 22,536.99 = 9,617.54 : x
  2. Step 2: Convert to fraction form
    16,331.63/22,536.99 = 9,617.54/x
  3. Step 3: Cross multiply
    16,331.63x = 22,536.99 × 9,617.54
  4. Step 4: Simplify right side
    16,331.63x = 216,750,290.12
  5. Step 5: Solve for x
    x = 216,750,290.12/16,331.63
  6. Step 6: Final answer
    x = 13,271.81

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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.