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Finding the Fourth Proportional to 61,302.80, 91,954.20 and 33,309.20

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Solution

The fourth proportional to 61,302.80, 91,954.20 and 33,309.20 is: 49,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,302.80 : 91,954.20 = 33,309.20 : x
  2. Step 2: Convert to fraction form
    61,302.80/91,954.20 = 33,309.20/x
  3. Step 3: Cross multiply
    61,302.80x = 91,954.20 × 33,309.20
  4. Step 4: Simplify right side
    61,302.80x = 3,062,920,838.64
  5. Step 5: Solve for x
    x = 3,062,920,838.64/61,302.80
  6. Step 6: Final answer
    x = 49,963.80

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1.5x scale

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.