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Finding the Fourth Proportional to 63,641.60, 87,824.32 and 35,346.56

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Solution

The fourth proportional to 63,641.60, 87,824.32 and 35,346.56 is: 48,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641.60 : 87,824.32 = 35,346.56 : x
  2. Step 2: Convert to fraction form
    63,641.60/87,824.32 = 35,346.56/x
  3. Step 3: Cross multiply
    63,641.60x = 87,824.32 × 35,346.56
  4. Step 4: Simplify right side
    63,641.60x = 3,104,287,596.34
  5. Step 5: Solve for x
    x = 3,104,287,596.34/63,641.60
  6. Step 6: Final answer
    x = 48,777.65

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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.