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Finding the Fourth Proportional to 12,737.96, 19,082.08 and 8,342.08

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Solution

The fourth proportional to 12,737.96, 19,082.08 and 8,342.08 is: 12,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.96 : 19,082.08 = 8,342.08 : x
  2. Step 2: Convert to fraction form
    12,737.96/19,082.08 = 8,342.08/x
  3. Step 3: Cross multiply
    12,737.96x = 19,082.08 × 8,342.08
  4. Step 4: Simplify right side
    12,737.96x = 159,184,237.93
  5. Step 5: Solve for x
    x = 159,184,237.93/12,737.96
  6. Step 6: Final answer
    x = 12,496.84

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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.