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Finding the Fourth Proportional to 56,609.73, 78,101.50 and 33,956.05

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Solution

The fourth proportional to 56,609.73, 78,101.50 and 33,956.05 is: 46,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,609.73 : 78,101.50 = 33,956.05 : x
  2. Step 2: Convert to fraction form
    56,609.73/78,101.50 = 33,956.05/x
  3. Step 3: Cross multiply
    56,609.73x = 78,101.50 × 33,956.05
  4. Step 4: Simplify right side
    56,609.73x = 2,652,018,269.29
  5. Step 5: Solve for x
    x = 2,652,018,269.29/56,609.73
  6. Step 6: Final answer
    x = 46,847.40

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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.