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Finding the Fourth Proportional to 59,818.62, 89,622.63 and 53,302.80

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Solution

The fourth proportional to 59,818.62, 89,622.63 and 53,302.80 is: 79,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,818.62 : 89,622.63 = 53,302.80 : x
  2. Step 2: Convert to fraction form
    59,818.62/89,622.63 = 53,302.80/x
  3. Step 3: Cross multiply
    59,818.62x = 89,622.63 × 53,302.80
  4. Step 4: Simplify right side
    59,818.62x = 4,777,137,122.36
  5. Step 5: Solve for x
    x = 4,777,137,122.36/59,818.62
  6. Step 6: Final answer
    x = 79,860.37

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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.