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Finding the Fourth Proportional to 62,570.21, 86,354.46 and 35,347.43

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Solution

The fourth proportional to 62,570.21, 86,354.46 and 35,347.43 is: 48,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,570.21 : 86,354.46 = 35,347.43 : x
  2. Step 2: Convert to fraction form
    62,570.21/86,354.46 = 35,347.43/x
  3. Step 3: Cross multiply
    62,570.21x = 86,354.46 × 35,347.43
  4. Step 4: Simplify right side
    62,570.21x = 3,052,408,445.92
  5. Step 5: Solve for x
    x = 3,052,408,445.92/62,570.21
  6. Step 6: Final answer
    x = 48,783.74

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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.