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Finding the Fourth Proportional to 43,660.48, 65,477.76 and 15,952

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Solution

The fourth proportional to 43,660.48, 65,477.76 and 15,952 is: 23,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,660.48 : 65,477.76 = 15,952 : x
  2. Step 2: Convert to fraction form
    43,660.48/65,477.76 = 15,952/x
  3. Step 3: Cross multiply
    43,660.48x = 65,477.76 × 15,952
  4. Step 4: Simplify right side
    43,660.48x = 1,044,501,227.52
  5. Step 5: Solve for x
    x = 1,044,501,227.52/43,660.48
  6. Step 6: Final answer
    x = 23,923.26

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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.