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Finding the Fourth Proportional to 63,374.79, 87,364.05 and 48,241.08

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Solution

The fourth proportional to 63,374.79, 87,364.05 and 48,241.08 is: 66,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,374.79 : 87,364.05 = 48,241.08 : x
  2. Step 2: Convert to fraction form
    63,374.79/87,364.05 = 48,241.08/x
  3. Step 3: Cross multiply
    63,374.79x = 87,364.05 × 48,241.08
  4. Step 4: Simplify right side
    63,374.79x = 4,214,536,125.17
  5. Step 5: Solve for x
    x = 4,214,536,125.17/63,374.79
  6. Step 6: Final answer
    x = 66,501.78

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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.