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Finding the Fourth Proportional to 61,290.42, 91,941.21 and 23,853.30

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Solution

The fourth proportional to 61,290.42, 91,941.21 and 23,853.30 is: 35,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,290.42 : 91,941.21 = 23,853.30 : x
  2. Step 2: Convert to fraction form
    61,290.42/91,941.21 = 23,853.30/x
  3. Step 3: Cross multiply
    61,290.42x = 91,941.21 × 23,853.30
  4. Step 4: Simplify right side
    61,290.42x = 2,193,101,264.49
  5. Step 5: Solve for x
    x = 2,193,101,264.49/61,290.42
  6. Step 6: Final answer
    x = 35,782.12

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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.