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Finding the Fourth Proportional to 11,703.92, 17,559.96 and 5,859.20

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Solution

The fourth proportional to 11,703.92, 17,559.96 and 5,859.20 is: 8,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.92 : 17,559.96 = 5,859.20 : x
  2. Step 2: Convert to fraction form
    11,703.92/17,559.96 = 5,859.20/x
  3. Step 3: Cross multiply
    11,703.92x = 17,559.96 × 5,859.20
  4. Step 4: Simplify right side
    11,703.92x = 102,887,317.63
  5. Step 5: Solve for x
    x = 102,887,317.63/11,703.92
  6. Step 6: Final answer
    x = 8,790.84

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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.