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Finding the Fourth Proportional to 34,869.47, 52,303.73 and 8,574.44

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Solution

The fourth proportional to 34,869.47, 52,303.73 and 8,574.44 is: 12,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.47 : 52,303.73 = 8,574.44 : x
  2. Step 2: Convert to fraction form
    34,869.47/52,303.73 = 8,574.44/x
  3. Step 3: Cross multiply
    34,869.47x = 52,303.73 × 8,574.44
  4. Step 4: Simplify right side
    34,869.47x = 448,474,890.27
  5. Step 5: Solve for x
    x = 448,474,890.27/34,869.47
  6. Step 6: Final answer
    x = 12,861.54

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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.