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Finding the Fourth Proportional to 35,435.42, 53,185.93 and 17,917.55

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Solution

The fourth proportional to 35,435.42, 53,185.93 and 17,917.55 is: 26,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,435.42 : 53,185.93 = 17,917.55 : x
  2. Step 2: Convert to fraction form
    35,435.42/53,185.93 = 17,917.55/x
  3. Step 3: Cross multiply
    35,435.42x = 53,185.93 × 17,917.55
  4. Step 4: Simplify right side
    35,435.42x = 952,961,249.35
  5. Step 5: Solve for x
    x = 952,961,249.35/35,435.42
  6. Step 6: Final answer
    x = 26,892.91

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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.