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Finding the Fourth Proportional to 11,770.00, 17,654.96 and 7,390.53

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Solution

The fourth proportional to 11,770.00, 17,654.96 and 7,390.53 is: 11,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.00 : 17,654.96 = 7,390.53 : x
  2. Step 2: Convert to fraction form
    11,770.00/17,654.96 = 7,390.53/x
  3. Step 3: Cross multiply
    11,770.00x = 17,654.96 × 7,390.53
  4. Step 4: Simplify right side
    11,770.00x = 130,479,511.53
  5. Step 5: Solve for x
    x = 130,479,511.53/11,770.00
  6. Step 6: Final answer
    x = 11,085.77

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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.