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Finding the Fourth Proportional to 35,255.49, 48,651.74 and 19,339.80

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Solution

The fourth proportional to 35,255.49, 48,651.74 and 19,339.80 is: 26,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.49 : 48,651.74 = 19,339.80 : x
  2. Step 2: Convert to fraction form
    35,255.49/48,651.74 = 19,339.80/x
  3. Step 3: Cross multiply
    35,255.49x = 48,651.74 × 19,339.80
  4. Step 4: Simplify right side
    35,255.49x = 940,914,581.29
  5. Step 5: Solve for x
    x = 940,914,581.29/35,255.49
  6. Step 6: Final answer
    x = 26,688.46

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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.