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Finding the Fourth Proportional to 18,057.01, 24,919.98 and 10,101.80

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Solution

The fourth proportional to 18,057.01, 24,919.98 and 10,101.80 is: 13,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.01 : 24,919.98 = 10,101.80 : x
  2. Step 2: Convert to fraction form
    18,057.01/24,919.98 = 10,101.80/x
  3. Step 3: Cross multiply
    18,057.01x = 24,919.98 × 10,101.80
  4. Step 4: Simplify right side
    18,057.01x = 251,736,653.96
  5. Step 5: Solve for x
    x = 251,736,653.96/18,057.01
  6. Step 6: Final answer
    x = 13,941.21

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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.