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Finding the Fourth Proportional to 52,398.63, 78,599.76 and 17,337.37

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Solution

The fourth proportional to 52,398.63, 78,599.76 and 17,337.37 is: 26,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,398.63 : 78,599.76 = 17,337.37 : x
  2. Step 2: Convert to fraction form
    52,398.63/78,599.76 = 17,337.37/x
  3. Step 3: Cross multiply
    52,398.63x = 78,599.76 × 17,337.37
  4. Step 4: Simplify right side
    52,398.63x = 1,362,713,121.03
  5. Step 5: Solve for x
    x = 1,362,713,121.03/52,398.63
  6. Step 6: Final answer
    x = 26,006.66

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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.