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Finding the Fourth Proportional to 11,299.23, 16,953.03 and 8,352.45

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Solution

The fourth proportional to 11,299.23, 16,953.03 and 8,352.45 is: 12,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.23 : 16,953.03 = 8,352.45 : x
  2. Step 2: Convert to fraction form
    11,299.23/16,953.03 = 8,352.45/x
  3. Step 3: Cross multiply
    11,299.23x = 16,953.03 × 8,352.45
  4. Step 4: Simplify right side
    11,299.23x = 141,599,335.42
  5. Step 5: Solve for x
    x = 141,599,335.42/11,299.23
  6. Step 6: Final answer
    x = 12,531.77

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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.