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Finding the Fourth Proportional to 73,057.68, 109,586.16 and 17,653.68

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Solution

The fourth proportional to 73,057.68, 109,586.16 and 17,653.68 is: 26,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,057.68 : 109,586.16 = 17,653.68 : x
  2. Step 2: Convert to fraction form
    73,057.68/109,586.16 = 17,653.68/x
  3. Step 3: Cross multiply
    73,057.68x = 109,586.16 × 17,653.68
  4. Step 4: Simplify right side
    73,057.68x = 1,934,599,001.07
  5. Step 5: Solve for x
    x = 1,934,599,001.07/73,057.68
  6. Step 6: Final answer
    x = 26,480.43

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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.