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Finding the Fourth Proportional to 42,576.60, 63,865.02 and 14,874.60

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Solution

The fourth proportional to 42,576.60, 63,865.02 and 14,874.60 is: 22,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,576.60 : 63,865.02 = 14,874.60 : x
  2. Step 2: Convert to fraction form
    42,576.60/63,865.02 = 14,874.60/x
  3. Step 3: Cross multiply
    42,576.60x = 63,865.02 × 14,874.60
  4. Step 4: Simplify right side
    42,576.60x = 949,966,626.49
  5. Step 5: Solve for x
    x = 949,966,626.49/42,576.60
  6. Step 6: Final answer
    x = 22,311.94

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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.