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Finding the Fourth Proportional to 19,737.42, 29,606.13 and 8,051.55

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Solution

The fourth proportional to 19,737.42, 29,606.13 and 8,051.55 is: 12,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.42 : 29,606.13 = 8,051.55 : x
  2. Step 2: Convert to fraction form
    19,737.42/29,606.13 = 8,051.55/x
  3. Step 3: Cross multiply
    19,737.42x = 29,606.13 × 8,051.55
  4. Step 4: Simplify right side
    19,737.42x = 238,375,236.00
  5. Step 5: Solve for x
    x = 238,375,236.00/19,737.42
  6. Step 6: Final answer
    x = 12,077.33

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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.