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Finding the Fourth Proportional to 26,372.36, 39,558.54 and 7,904.36

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Solution

The fourth proportional to 26,372.36, 39,558.54 and 7,904.36 is: 11,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,372.36 : 39,558.54 = 7,904.36 : x
  2. Step 2: Convert to fraction form
    26,372.36/39,558.54 = 7,904.36/x
  3. Step 3: Cross multiply
    26,372.36x = 39,558.54 × 7,904.36
  4. Step 4: Simplify right side
    26,372.36x = 312,684,931.35
  5. Step 5: Solve for x
    x = 312,684,931.35/26,372.36
  6. Step 6: Final answer
    x = 11,856.54

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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.