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Finding the Fourth Proportional to 7,761.48, 11,636.82 and 4,799.58

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Solution

The fourth proportional to 7,761.48, 11,636.82 and 4,799.58 is: 7,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.48 : 11,636.82 = 4,799.58 : x
  2. Step 2: Convert to fraction form
    7,761.48/11,636.82 = 4,799.58/x
  3. Step 3: Cross multiply
    7,761.48x = 11,636.82 × 4,799.58
  4. Step 4: Simplify right side
    7,761.48x = 55,851,848.54
  5. Step 5: Solve for x
    x = 55,851,848.54/7,761.48
  6. Step 6: Final answer
    x = 7,196.03

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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.