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Finding the Fourth Proportional to 52,838.41, 72,940.27 and 36,985.09

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Solution

The fourth proportional to 52,838.41, 72,940.27 and 36,985.09 is: 51,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,838.41 : 72,940.27 = 36,985.09 : x
  2. Step 2: Convert to fraction form
    52,838.41/72,940.27 = 36,985.09/x
  3. Step 3: Cross multiply
    52,838.41x = 72,940.27 × 36,985.09
  4. Step 4: Simplify right side
    52,838.41x = 2,697,702,085.87
  5. Step 5: Solve for x
    x = 2,697,702,085.87/52,838.41
  6. Step 6: Final answer
    x = 51,055.71

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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.