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Finding the Fourth Proportional to 69,385.63, 104,046 and 25,006.54

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Solution

The fourth proportional to 69,385.63, 104,046 and 25,006.54 is: 37,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,385.63 : 104,046 = 25,006.54 : x
  2. Step 2: Convert to fraction form
    69,385.63/104,046 = 25,006.54/x
  3. Step 3: Cross multiply
    69,385.63x = 104,046 × 25,006.54
  4. Step 4: Simplify right side
    69,385.63x = 2,601,830,460.84
  5. Step 5: Solve for x
    x = 2,601,830,460.84/69,385.63
  6. Step 6: Final answer
    x = 37,498.12

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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.