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Finding the Fourth Proportional to 40,630.72, 60,905.76 and 23,064.16

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Solution

The fourth proportional to 40,630.72, 60,905.76 and 23,064.16 is: 34,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.72 : 60,905.76 = 23,064.16 : x
  2. Step 2: Convert to fraction form
    40,630.72/60,905.76 = 23,064.16/x
  3. Step 3: Cross multiply
    40,630.72x = 60,905.76 × 23,064.16
  4. Step 4: Simplify right side
    40,630.72x = 1,404,740,193.56
  5. Step 5: Solve for x
    x = 1,404,740,193.56/40,630.72
  6. Step 6: Final answer
    x = 34,573.35

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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.