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Finding the Fourth Proportional to 69,495.48, 104,241.78 and 16,905.24

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Solution

The fourth proportional to 69,495.48, 104,241.78 and 16,905.24 is: 25,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,495.48 : 104,241.78 = 16,905.24 : x
  2. Step 2: Convert to fraction form
    69,495.48/104,241.78 = 16,905.24/x
  3. Step 3: Cross multiply
    69,495.48x = 104,241.78 × 16,905.24
  4. Step 4: Simplify right side
    69,495.48x = 1,762,232,308.93
  5. Step 5: Solve for x
    x = 1,762,232,308.93/69,495.48
  6. Step 6: Final answer
    x = 25,357.51

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1.5x scale

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.