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Finding the Fourth Proportional to 45,241.60, 67,804.80 and 32,915.20

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Solution

The fourth proportional to 45,241.60, 67,804.80 and 32,915.20 is: 49,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,241.60 : 67,804.80 = 32,915.20 : x
  2. Step 2: Convert to fraction form
    45,241.60/67,804.80 = 32,915.20/x
  3. Step 3: Cross multiply
    45,241.60x = 67,804.80 × 32,915.20
  4. Step 4: Simplify right side
    45,241.60x = 2,231,808,552.96
  5. Step 5: Solve for x
    x = 2,231,808,552.96/45,241.60
  6. Step 6: Final answer
    x = 49,330.89

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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.