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Finding the Fourth Proportional to 65,956.40, 91,024.30 and 37,266.12

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Solution

The fourth proportional to 65,956.40, 91,024.30 and 37,266.12 is: 51,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,956.40 : 91,024.30 = 37,266.12 : x
  2. Step 2: Convert to fraction form
    65,956.40/91,024.30 = 37,266.12/x
  3. Step 3: Cross multiply
    65,956.40x = 91,024.30 × 37,266.12
  4. Step 4: Simplify right side
    65,956.40x = 3,392,122,486.72
  5. Step 5: Solve for x
    x = 3,392,122,486.72/65,956.40
  6. Step 6: Final answer
    x = 51,429.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.