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Finding the Fourth Proportional to 61,415.48, 91,975.60 and 35,040.26

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Solution

The fourth proportional to 61,415.48, 91,975.60 and 35,040.26 is: 52,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,415.48 : 91,975.60 = 35,040.26 : x
  2. Step 2: Convert to fraction form
    61,415.48/91,975.60 = 35,040.26/x
  3. Step 3: Cross multiply
    61,415.48x = 91,975.60 × 35,040.26
  4. Step 4: Simplify right side
    61,415.48x = 3,222,849,079.99
  5. Step 5: Solve for x
    x = 3,222,849,079.99/61,415.48
  6. Step 6: Final answer
    x = 52,476.17

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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.