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Finding the Fourth Proportional to 69,998.15, 104,997.29 and 17,407.64

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Solution

The fourth proportional to 69,998.15, 104,997.29 and 17,407.64 is: 26,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,998.15 : 104,997.29 = 17,407.64 : x
  2. Step 2: Convert to fraction form
    69,998.15/104,997.29 = 17,407.64/x
  3. Step 3: Cross multiply
    69,998.15x = 104,997.29 × 17,407.64
  4. Step 4: Simplify right side
    69,998.15x = 1,827,754,413.27
  5. Step 5: Solve for x
    x = 1,827,754,413.27/69,998.15
  6. Step 6: Final answer
    x = 26,111.47

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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.