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Finding the Fourth Proportional to 69,643.63, 104,506.95 and 25,273.84

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Solution

The fourth proportional to 69,643.63, 104,506.95 and 25,273.84 is: 37,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,643.63 : 104,506.95 = 25,273.84 : x
  2. Step 2: Convert to fraction form
    69,643.63/104,506.95 = 25,273.84/x
  3. Step 3: Cross multiply
    69,643.63x = 104,506.95 × 25,273.84
  4. Step 4: Simplify right side
    69,643.63x = 2,641,291,933.19
  5. Step 5: Solve for x
    x = 2,641,291,933.19/69,643.63
  6. Step 6: Final answer
    x = 37,925.82

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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.