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Finding the Fourth Proportional to 7,888.73, 11,813.95 and 7,533.34

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Solution

The fourth proportional to 7,888.73, 11,813.95 and 7,533.34 is: 11,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.73 : 11,813.95 = 7,533.34 : x
  2. Step 2: Convert to fraction form
    7,888.73/11,813.95 = 7,533.34/x
  3. Step 3: Cross multiply
    7,888.73x = 11,813.95 × 7,533.34
  4. Step 4: Simplify right side
    7,888.73x = 88,998,481.97
  5. Step 5: Solve for x
    x = 88,998,481.97/7,888.73
  6. Step 6: Final answer
    x = 11,281.73

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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.