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Finding the Fourth Proportional to 43,475.76, 65,235.60 and 32,404.68

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Solution

The fourth proportional to 43,475.76, 65,235.60 and 32,404.68 is: 48,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,475.76 : 65,235.60 = 32,404.68 : x
  2. Step 2: Convert to fraction form
    43,475.76/65,235.60 = 32,404.68/x
  3. Step 3: Cross multiply
    43,475.76x = 65,235.60 × 32,404.68
  4. Step 4: Simplify right side
    43,475.76x = 2,113,938,742.61
  5. Step 5: Solve for x
    x = 2,113,938,742.61/43,475.76
  6. Step 6: Final answer
    x = 48,623.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.