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Finding the Fourth Proportional to 35,147.52, 48,503.07 and 19,231.74

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Solution

The fourth proportional to 35,147.52, 48,503.07 and 19,231.74 is: 26,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,147.52 : 48,503.07 = 19,231.74 : x
  2. Step 2: Convert to fraction form
    35,147.52/48,503.07 = 19,231.74/x
  3. Step 3: Cross multiply
    35,147.52x = 48,503.07 × 19,231.74
  4. Step 4: Simplify right side
    35,147.52x = 932,798,431.44
  5. Step 5: Solve for x
    x = 932,798,431.44/35,147.52
  6. Step 6: Final answer
    x = 26,539.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.