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Finding the Fourth Proportional to 16,665.68, 24,986.07 and 10,090.28

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Solution

The fourth proportional to 16,665.68, 24,986.07 and 10,090.28 is: 15,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.68 : 24,986.07 = 10,090.28 : x
  2. Step 2: Convert to fraction form
    16,665.68/24,986.07 = 10,090.28/x
  3. Step 3: Cross multiply
    16,665.68x = 24,986.07 × 10,090.28
  4. Step 4: Simplify right side
    16,665.68x = 252,116,442.40
  5. Step 5: Solve for x
    x = 252,116,442.40/16,665.68
  6. Step 6: Final answer
    x = 15,127.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.