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Finding the Fourth Proportional to 18,587.08, 27,883.08 and 9,822.34

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Solution

The fourth proportional to 18,587.08, 27,883.08 and 9,822.34 is: 14,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.08 : 27,883.08 = 9,822.34 : x
  2. Step 2: Convert to fraction form
    18,587.08/27,883.08 = 9,822.34/x
  3. Step 3: Cross multiply
    18,587.08x = 27,883.08 × 9,822.34
  4. Step 4: Simplify right side
    18,587.08x = 273,877,092.01
  5. Step 5: Solve for x
    x = 273,877,092.01/18,587.08
  6. Step 6: Final answer
    x = 14,734.81

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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.