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Finding the Fourth Proportional to 63,585.23, 87,748.67 and 34,907.54

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Solution

The fourth proportional to 63,585.23, 87,748.67 and 34,907.54 is: 48,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,585.23 : 87,748.67 = 34,907.54 : x
  2. Step 2: Convert to fraction form
    63,585.23/87,748.67 = 34,907.54/x
  3. Step 3: Cross multiply
    63,585.23x = 87,748.67 × 34,907.54
  4. Step 4: Simplify right side
    63,585.23x = 3,063,089,856.50
  5. Step 5: Solve for x
    x = 3,063,089,856.50/63,585.23
  6. Step 6: Final answer
    x = 48,172.98

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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.