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Finding the Fourth Proportional to 69,710.64, 104,567.10 and 25,309.68

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Solution

The fourth proportional to 69,710.64, 104,567.10 and 25,309.68 is: 37,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,710.64 : 104,567.10 = 25,309.68 : x
  2. Step 2: Convert to fraction form
    69,710.64/104,567.10 = 25,309.68/x
  3. Step 3: Cross multiply
    69,710.64x = 104,567.10 × 25,309.68
  4. Step 4: Simplify right side
    69,710.64x = 2,646,559,839.53
  5. Step 5: Solve for x
    x = 2,646,559,839.53/69,710.64
  6. Step 6: Final answer
    x = 37,964.93

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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.