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Finding the Fourth Proportional to 18,101.70, 27,130.95 and 16,244.10

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Solution

The fourth proportional to 18,101.70, 27,130.95 and 16,244.10 is: 24,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.70 : 27,130.95 = 16,244.10 : x
  2. Step 2: Convert to fraction form
    18,101.70/27,130.95 = 16,244.10/x
  3. Step 3: Cross multiply
    18,101.70x = 27,130.95 × 16,244.10
  4. Step 4: Simplify right side
    18,101.70x = 440,717,864.90
  5. Step 5: Solve for x
    x = 440,717,864.90/18,101.70
  6. Step 6: Final answer
    x = 24,346.77

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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.