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Finding the Fourth Proportional to 18,596.22, 27,904.23 and 8,735.64

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Solution

The fourth proportional to 18,596.22, 27,904.23 and 8,735.64 is: 13,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.22 : 27,904.23 = 8,735.64 : x
  2. Step 2: Convert to fraction form
    18,596.22/27,904.23 = 8,735.64/x
  3. Step 3: Cross multiply
    18,596.22x = 27,904.23 × 8,735.64
  4. Step 4: Simplify right side
    18,596.22x = 243,761,307.76
  5. Step 5: Solve for x
    x = 243,761,307.76/18,596.22
  6. Step 6: Final answer
    x = 13,108.11

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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.