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Finding the Fourth Proportional to 61,361.48, 92,043.37 and 19,240.64

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Solution

The fourth proportional to 61,361.48, 92,043.37 and 19,240.64 is: 28,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,361.48 : 92,043.37 = 19,240.64 : x
  2. Step 2: Convert to fraction form
    61,361.48/92,043.37 = 19,240.64/x
  3. Step 3: Cross multiply
    61,361.48x = 92,043.37 × 19,240.64
  4. Step 4: Simplify right side
    61,361.48x = 1,770,973,255.55
  5. Step 5: Solve for x
    x = 1,770,973,255.55/61,361.48
  6. Step 6: Final answer
    x = 28,861.32

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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.