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Finding the Fourth Proportional to 56,773.43, 78,347.36 and 32,913.94

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Solution

The fourth proportional to 56,773.43, 78,347.36 and 32,913.94 is: 45,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,773.43 : 78,347.36 = 32,913.94 : x
  2. Step 2: Convert to fraction form
    56,773.43/78,347.36 = 32,913.94/x
  3. Step 3: Cross multiply
    56,773.43x = 78,347.36 × 32,913.94
  4. Step 4: Simplify right side
    56,773.43x = 2,578,720,306.20
  5. Step 5: Solve for x
    x = 2,578,720,306.20/56,773.43
  6. Step 6: Final answer
    x = 45,421.25

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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.