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Finding the Fourth Proportional to 11,695.92, 17,552.52 and 8,779.92

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Solution

The fourth proportional to 11,695.92, 17,552.52 and 8,779.92 is: 13,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.92 : 17,552.52 = 8,779.92 : x
  2. Step 2: Convert to fraction form
    11,695.92/17,552.52 = 8,779.92/x
  3. Step 3: Cross multiply
    11,695.92x = 17,552.52 × 8,779.92
  4. Step 4: Simplify right side
    11,695.92x = 154,109,721.40
  5. Step 5: Solve for x
    x = 154,109,721.40/11,695.92
  6. Step 6: Final answer
    x = 13,176.37

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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.