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Finding the Fourth Proportional to 57,063.34, 78,749.76 and 31,569.29

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Solution

The fourth proportional to 57,063.34, 78,749.76 and 31,569.29 is: 43,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.34 : 78,749.76 = 31,569.29 : x
  2. Step 2: Convert to fraction form
    57,063.34/78,749.76 = 31,569.29/x
  3. Step 3: Cross multiply
    57,063.34x = 78,749.76 × 31,569.29
  4. Step 4: Simplify right side
    57,063.34x = 2,486,074,010.87
  5. Step 5: Solve for x
    x = 2,486,074,010.87/57,063.34
  6. Step 6: Final answer
    x = 43,566.92

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