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Finding the Fourth Proportional to 18,597.96, 27,896.93 and 4,746.96

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Solution

The fourth proportional to 18,597.96, 27,896.93 and 4,746.96 is: 7,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.96 : 27,896.93 = 4,746.96 : x
  2. Step 2: Convert to fraction form
    18,597.96/27,896.93 = 4,746.96/x
  3. Step 3: Cross multiply
    18,597.96x = 27,896.93 × 4,746.96
  4. Step 4: Simplify right side
    18,597.96x = 132,425,610.83
  5. Step 5: Solve for x
    x = 132,425,610.83/18,597.96
  6. Step 6: Final answer
    x = 7,120.44

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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.