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Finding the Fourth Proportional to 11,533.59, 17,300.39 and 8,253.09

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Solution

The fourth proportional to 11,533.59, 17,300.39 and 8,253.09 is: 12,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,533.59 : 17,300.39 = 8,253.09 : x
  2. Step 2: Convert to fraction form
    11,533.59/17,300.39 = 8,253.09/x
  3. Step 3: Cross multiply
    11,533.59x = 17,300.39 × 8,253.09
  4. Step 4: Simplify right side
    11,533.59x = 142,781,675.71
  5. Step 5: Solve for x
    x = 142,781,675.71/11,533.59
  6. Step 6: Final answer
    x = 12,379.64

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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.