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Finding the Fourth Proportional to 35,137.89, 48,491.31 and 19,223.21

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Solution

The fourth proportional to 35,137.89, 48,491.31 and 19,223.21 is: 26,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.89 : 48,491.31 = 19,223.21 : x
  2. Step 2: Convert to fraction form
    35,137.89/48,491.31 = 19,223.21/x
  3. Step 3: Cross multiply
    35,137.89x = 48,491.31 × 19,223.21
  4. Step 4: Simplify right side
    35,137.89x = 932,158,392.85
  5. Step 5: Solve for x
    x = 932,158,392.85/35,137.89
  6. Step 6: Final answer
    x = 26,528.58

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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.