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Finding the Fourth Proportional to 18,385.52, 27,599.88 and 9,624.56

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Solution

The fourth proportional to 18,385.52, 27,599.88 and 9,624.56 is: 14,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.52 : 27,599.88 = 9,624.56 : x
  2. Step 2: Convert to fraction form
    18,385.52/27,599.88 = 9,624.56/x
  3. Step 3: Cross multiply
    18,385.52x = 27,599.88 × 9,624.56
  4. Step 4: Simplify right side
    18,385.52x = 265,636,701.05
  5. Step 5: Solve for x
    x = 265,636,701.05/18,385.52
  6. Step 6: Final answer
    x = 14,448.15

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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.