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Finding the Fourth Proportional to 43,322.88, 64,893.76 and 34,843.55

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Solution

The fourth proportional to 43,322.88, 64,893.76 and 34,843.55 is: 52,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.88 : 64,893.76 = 34,843.55 : x
  2. Step 2: Convert to fraction form
    43,322.88/64,893.76 = 34,843.55/x
  3. Step 3: Cross multiply
    43,322.88x = 64,893.76 × 34,843.55
  4. Step 4: Simplify right side
    43,322.88x = 2,261,128,971.25
  5. Step 5: Solve for x
    x = 2,261,128,971.25/43,322.88
  6. Step 6: Final answer
    x = 52,192.49

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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.