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Finding the Fourth Proportional to 11,783.52, 17,650.44 and 8,068.32

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Solution

The fourth proportional to 11,783.52, 17,650.44 and 8,068.32 is: 12,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.52 : 17,650.44 = 8,068.32 : x
  2. Step 2: Convert to fraction form
    11,783.52/17,650.44 = 8,068.32/x
  3. Step 3: Cross multiply
    11,783.52x = 17,650.44 × 8,068.32
  4. Step 4: Simplify right side
    11,783.52x = 142,409,398.06
  5. Step 5: Solve for x
    x = 142,409,398.06/11,783.52
  6. Step 6: Final answer
    x = 12,085.47

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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.