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Finding the Fourth Proportional to 61,733.70, 92,661.39 and 43,984.08

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Solution

The fourth proportional to 61,733.70, 92,661.39 and 43,984.08 is: 66,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,733.70 : 92,661.39 = 43,984.08 : x
  2. Step 2: Convert to fraction form
    61,733.70/92,661.39 = 43,984.08/x
  3. Step 3: Cross multiply
    61,733.70x = 92,661.39 × 43,984.08
  4. Step 4: Simplify right side
    61,733.70x = 4,075,625,990.67
  5. Step 5: Solve for x
    x = 4,075,625,990.67/61,733.70
  6. Step 6: Final answer
    x = 66,019.47

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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.