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Finding the Fourth Proportional to 11,203.52, 15,458.45 and 8,852.49

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Solution

The fourth proportional to 11,203.52, 15,458.45 and 8,852.49 is: 12,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.52 : 15,458.45 = 8,852.49 : x
  2. Step 2: Convert to fraction form
    11,203.52/15,458.45 = 8,852.49/x
  3. Step 3: Cross multiply
    11,203.52x = 15,458.45 × 8,852.49
  4. Step 4: Simplify right side
    11,203.52x = 136,845,729.78
  5. Step 5: Solve for x
    x = 136,845,729.78/11,203.52
  6. Step 6: Final answer
    x = 12,214.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.