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Finding the Fourth Proportional to 51,070.72, 76,599.60 and 16,009.60

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Solution

The fourth proportional to 51,070.72, 76,599.60 and 16,009.60 is: 24,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.72 : 76,599.60 = 16,009.60 : x
  2. Step 2: Convert to fraction form
    51,070.72/76,599.60 = 16,009.60/x
  3. Step 3: Cross multiply
    51,070.72x = 76,599.60 × 16,009.60
  4. Step 4: Simplify right side
    51,070.72x = 1,226,328,956.16
  5. Step 5: Solve for x
    x = 1,226,328,956.16/51,070.72
  6. Step 6: Final answer
    x = 24,012.37

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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.