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Finding the Fourth Proportional to 18,203.40, 27,305.10 and 16,016.40

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Solution

The fourth proportional to 18,203.40, 27,305.10 and 16,016.40 is: 24,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.40 : 27,305.10 = 16,016.40 : x
  2. Step 2: Convert to fraction form
    18,203.40/27,305.10 = 16,016.40/x
  3. Step 3: Cross multiply
    18,203.40x = 27,305.10 × 16,016.40
  4. Step 4: Simplify right side
    18,203.40x = 437,329,403.64
  5. Step 5: Solve for x
    x = 437,329,403.64/18,203.40
  6. Step 6: Final answer
    x = 24,024.60

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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.