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Finding the Fourth Proportional to 48,872, 73,308 and 17,707.26

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Solution

The fourth proportional to 48,872, 73,308 and 17,707.26 is: 26,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,872 : 73,308 = 17,707.26 : x
  2. Step 2: Convert to fraction form
    48,872/73,308 = 17,707.26/x
  3. Step 3: Cross multiply
    48,872x = 73,308 × 17,707.26
  4. Step 4: Simplify right side
    48,872x = 1,298,083,816.08
  5. Step 5: Solve for x
    x = 1,298,083,816.08/48,872
  6. Step 6: Final answer
    x = 26,560.89

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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.