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Finding the Fourth Proportional to 18,596.07, 27,894.09 and 4,745.07

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Solution

The fourth proportional to 18,596.07, 27,894.09 and 4,745.07 is: 7,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.07 : 27,894.09 = 4,745.07 : x
  2. Step 2: Convert to fraction form
    18,596.07/27,894.09 = 4,745.07/x
  3. Step 3: Cross multiply
    18,596.07x = 27,894.09 × 4,745.07
  4. Step 4: Simplify right side
    18,596.07x = 132,359,409.64
  5. Step 5: Solve for x
    x = 132,359,409.64/18,596.07
  6. Step 6: Final answer
    x = 7,117.60

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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.