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Finding the Fourth Proportional to 16,466.88, 22,719.09 and 10,090.18

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Solution

The fourth proportional to 16,466.88, 22,719.09 and 10,090.18 is: 13,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,466.88 : 22,719.09 = 10,090.18 : x
  2. Step 2: Convert to fraction form
    16,466.88/22,719.09 = 10,090.18/x
  3. Step 3: Cross multiply
    16,466.88x = 22,719.09 × 10,090.18
  4. Step 4: Simplify right side
    16,466.88x = 229,239,773.77
  5. Step 5: Solve for x
    x = 229,239,773.77/16,466.88
  6. Step 6: Final answer
    x = 13,921.26

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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.