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Finding the Fourth Proportional to 69,997.59, 104,996.78 and 17,407.08

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Solution

The fourth proportional to 69,997.59, 104,996.78 and 17,407.08 is: 26,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,997.59 : 104,996.78 = 17,407.08 : x
  2. Step 2: Convert to fraction form
    69,997.59/104,996.78 = 17,407.08/x
  3. Step 3: Cross multiply
    69,997.59x = 104,996.78 × 17,407.08
  4. Step 4: Simplify right side
    69,997.59x = 1,827,687,349.20
  5. Step 5: Solve for x
    x = 1,827,687,349.20/69,997.59
  6. Step 6: Final answer
    x = 26,110.72

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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.