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Finding the Fourth Proportional to 56,352.78, 77,749.20 and 32,476.19

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Solution

The fourth proportional to 56,352.78, 77,749.20 and 32,476.19 is: 44,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.78 : 77,749.20 = 32,476.19 : x
  2. Step 2: Convert to fraction form
    56,352.78/77,749.20 = 32,476.19/x
  3. Step 3: Cross multiply
    56,352.78x = 77,749.20 × 32,476.19
  4. Step 4: Simplify right side
    56,352.78x = 2,524,997,402.80
  5. Step 5: Solve for x
    x = 2,524,997,402.80/56,352.78
  6. Step 6: Final answer
    x = 44,806.97

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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.