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Finding the Fourth Proportional to 18,024.20, 27,036.30 and 16,411.40

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Solution

The fourth proportional to 18,024.20, 27,036.30 and 16,411.40 is: 24,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.20 : 27,036.30 = 16,411.40 : x
  2. Step 2: Convert to fraction form
    18,024.20/27,036.30 = 16,411.40/x
  3. Step 3: Cross multiply
    18,024.20x = 27,036.30 × 16,411.40
  4. Step 4: Simplify right side
    18,024.20x = 443,703,533.82
  5. Step 5: Solve for x
    x = 443,703,533.82/18,024.20
  6. Step 6: Final answer
    x = 24,617.10

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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.