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Finding the Fourth Proportional to 35,493.96, 48,981.84 and 19,578.39

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Solution

The fourth proportional to 35,493.96, 48,981.84 and 19,578.39 is: 27,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.96 : 48,981.84 = 19,578.39 : x
  2. Step 2: Convert to fraction form
    35,493.96/48,981.84 = 19,578.39/x
  3. Step 3: Cross multiply
    35,493.96x = 48,981.84 × 19,578.39
  4. Step 4: Simplify right side
    35,493.96x = 958,985,566.44
  5. Step 5: Solve for x
    x = 958,985,566.44/35,493.96
  6. Step 6: Final answer
    x = 27,018.27

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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.