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Finding the Fourth Proportional to 56,653.17, 78,191.16 and 32,793

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Solution

The fourth proportional to 56,653.17, 78,191.16 and 32,793 is: 45,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,653.17 : 78,191.16 = 32,793 : x
  2. Step 2: Convert to fraction form
    56,653.17/78,191.16 = 32,793/x
  3. Step 3: Cross multiply
    56,653.17x = 78,191.16 × 32,793
  4. Step 4: Simplify right side
    56,653.17x = 2,564,122,709.88
  5. Step 5: Solve for x
    x = 2,564,122,709.88/56,653.17
  6. Step 6: Final answer
    x = 45,260.00

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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.