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Finding the Fourth Proportional to 51,608.63, 77,425.95 and 14,672.63

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Solution

The fourth proportional to 51,608.63, 77,425.95 and 14,672.63 is: 22,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,608.63 : 77,425.95 = 14,672.63 : x
  2. Step 2: Convert to fraction form
    51,608.63/77,425.95 = 14,672.63/x
  3. Step 3: Cross multiply
    51,608.63x = 77,425.95 × 14,672.63
  4. Step 4: Simplify right side
    51,608.63x = 1,136,041,929.62
  5. Step 5: Solve for x
    x = 1,136,041,929.62/51,608.63
  6. Step 6: Final answer
    x = 22,012.64

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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.