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Finding the Fourth Proportional to 47,287.67, 65,287.37 and 29,407.01

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Solution

The fourth proportional to 47,287.67, 65,287.37 and 29,407.01 is: 40,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.67 : 65,287.37 = 29,407.01 : x
  2. Step 2: Convert to fraction form
    47,287.67/65,287.37 = 29,407.01/x
  3. Step 3: Cross multiply
    47,287.67x = 65,287.37 × 29,407.01
  4. Step 4: Simplify right side
    47,287.67x = 1,919,906,089.54
  5. Step 5: Solve for x
    x = 1,919,906,089.54/47,287.67
  6. Step 6: Final answer
    x = 40,600.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.