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Finding the Fourth Proportional to 18,024.30, 27,025.65 and 9,276.30

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Solution

The fourth proportional to 18,024.30, 27,025.65 and 9,276.30 is: 13,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.30 : 27,025.65 = 9,276.30 : x
  2. Step 2: Convert to fraction form
    18,024.30/27,025.65 = 9,276.30/x
  3. Step 3: Cross multiply
    18,024.30x = 27,025.65 × 9,276.30
  4. Step 4: Simplify right side
    18,024.30x = 250,698,037.10
  5. Step 5: Solve for x
    x = 250,698,037.10/18,024.30
  6. Step 6: Final answer
    x = 13,908.89

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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.