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Finding the Fourth Proportional to 45,262.44, 67,880.70 and 15,672.60

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Solution

The fourth proportional to 45,262.44, 67,880.70 and 15,672.60 is: 23,504.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,262.44 : 67,880.70 = 15,672.60 : x
  2. Step 2: Convert to fraction form
    45,262.44/67,880.70 = 15,672.60/x
  3. Step 3: Cross multiply
    45,262.44x = 67,880.70 × 15,672.60
  4. Step 4: Simplify right side
    45,262.44x = 1,063,867,058.82
  5. Step 5: Solve for x
    x = 1,063,867,058.82/45,262.44
  6. Step 6: Final answer
    x = 23,504.41

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1.5x scale

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.