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Finding the Fourth Proportional to 69,795.16, 104,693.80 and 17,204.64

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Solution

The fourth proportional to 69,795.16, 104,693.80 and 17,204.64 is: 25,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,795.16 : 104,693.80 = 17,204.64 : x
  2. Step 2: Convert to fraction form
    69,795.16/104,693.80 = 17,204.64/x
  3. Step 3: Cross multiply
    69,795.16x = 104,693.80 × 17,204.64
  4. Step 4: Simplify right side
    69,795.16x = 1,801,219,139.23
  5. Step 5: Solve for x
    x = 1,801,219,139.23/69,795.16
  6. Step 6: Final answer
    x = 25,807.22

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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.