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Finding the Fourth Proportional to 34,477.28, 47,578.62 and 19,573.28

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Solution

The fourth proportional to 34,477.28, 47,578.62 and 19,573.28 is: 27,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,477.28 : 47,578.62 = 19,573.28 : x
  2. Step 2: Convert to fraction form
    34,477.28/47,578.62 = 19,573.28/x
  3. Step 3: Cross multiply
    34,477.28x = 47,578.62 × 19,573.28
  4. Step 4: Simplify right side
    34,477.28x = 931,269,651.27
  5. Step 5: Solve for x
    x = 931,269,651.27/34,477.28
  6. Step 6: Final answer
    x = 27,011.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.