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Finding the Fourth Proportional to 18,336.70, 27,455.10 and 9,553.06

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Solution

The fourth proportional to 18,336.70, 27,455.10 and 9,553.06 is: 14,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.70 : 27,455.10 = 9,553.06 : x
  2. Step 2: Convert to fraction form
    18,336.70/27,455.10 = 9,553.06/x
  3. Step 3: Cross multiply
    18,336.70x = 27,455.10 × 9,553.06
  4. Step 4: Simplify right side
    18,336.70x = 262,280,217.61
  5. Step 5: Solve for x
    x = 262,280,217.61/18,336.70
  6. Step 6: Final answer
    x = 14,303.57

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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.