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Finding the Fourth Proportional to 11,595.92, 17,391.72 and 5,355.68

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Solution

The fourth proportional to 11,595.92, 17,391.72 and 5,355.68 is: 8,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.92 : 17,391.72 = 5,355.68 : x
  2. Step 2: Convert to fraction form
    11,595.92/17,391.72 = 5,355.68/x
  3. Step 3: Cross multiply
    11,595.92x = 17,391.72 × 5,355.68
  4. Step 4: Simplify right side
    11,595.92x = 93,144,486.97
  5. Step 5: Solve for x
    x = 93,144,486.97/11,595.92
  6. Step 6: Final answer
    x = 8,032.52

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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.