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Finding the Fourth Proportional to 47,093.90, 64,990.07 and 25,583.86

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Solution

The fourth proportional to 47,093.90, 64,990.07 and 25,583.86 is: 35,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,093.90 : 64,990.07 = 25,583.86 : x
  2. Step 2: Convert to fraction form
    47,093.90/64,990.07 = 25,583.86/x
  3. Step 3: Cross multiply
    47,093.90x = 64,990.07 × 25,583.86
  4. Step 4: Simplify right side
    47,093.90x = 1,662,696,852.27
  5. Step 5: Solve for x
    x = 1,662,696,852.27/47,093.90
  6. Step 6: Final answer
    x = 35,305.99

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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.