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Finding the Fourth Proportional to 61,509.87, 84,883.25 and 34,661.03

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Solution

The fourth proportional to 61,509.87, 84,883.25 and 34,661.03 is: 47,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,509.87 : 84,883.25 = 34,661.03 : x
  2. Step 2: Convert to fraction form
    61,509.87/84,883.25 = 34,661.03/x
  3. Step 3: Cross multiply
    61,509.87x = 84,883.25 × 34,661.03
  4. Step 4: Simplify right side
    61,509.87x = 2,942,140,277.03
  5. Step 5: Solve for x
    x = 2,942,140,277.03/61,509.87
  6. Step 6: Final answer
    x = 47,832.00

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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.