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Finding the Fourth Proportional to 35,490.96, 48,977.70 and 19,575.39

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Solution

The fourth proportional to 35,490.96, 48,977.70 and 19,575.39 is: 27,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.96 : 48,977.70 = 19,575.39 : x
  2. Step 2: Convert to fraction form
    35,490.96/48,977.70 = 19,575.39/x
  3. Step 3: Cross multiply
    35,490.96x = 48,977.70 × 19,575.39
  4. Step 4: Simplify right side
    35,490.96x = 958,757,578.80
  5. Step 5: Solve for x
    x = 958,757,578.80/35,490.96
  6. Step 6: Final answer
    x = 27,014.13

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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.