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Finding the Fourth Proportional to 69,655.55, 104,436.88 and 25,276.52

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Solution

The fourth proportional to 69,655.55, 104,436.88 and 25,276.52 is: 37,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,655.55 : 104,436.88 = 25,276.52 : x
  2. Step 2: Convert to fraction form
    69,655.55/104,436.88 = 25,276.52/x
  3. Step 3: Cross multiply
    69,655.55x = 104,436.88 × 25,276.52
  4. Step 4: Simplify right side
    69,655.55x = 2,639,801,083.96
  5. Step 5: Solve for x
    x = 2,639,801,083.96/69,655.55
  6. Step 6: Final answer
    x = 37,897.93

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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.