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Finding the Fourth Proportional to 9,192.76, 13,697.84 and 8,746.44

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Solution

The fourth proportional to 9,192.76, 13,697.84 and 8,746.44 is: 13,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.76 : 13,697.84 = 8,746.44 : x
  2. Step 2: Convert to fraction form
    9,192.76/13,697.84 = 8,746.44/x
  3. Step 3: Cross multiply
    9,192.76x = 13,697.84 × 8,746.44
  4. Step 4: Simplify right side
    9,192.76x = 119,807,335.69
  5. Step 5: Solve for x
    x = 119,807,335.69/9,192.76
  6. Step 6: Final answer
    x = 13,032.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.