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Finding the Fourth Proportional to 35,057.88, 48,384.10 and 19,954.20

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Solution

The fourth proportional to 35,057.88, 48,384.10 and 19,954.20 is: 27,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,057.88 : 48,384.10 = 19,954.20 : x
  2. Step 2: Convert to fraction form
    35,057.88/48,384.10 = 19,954.20/x
  3. Step 3: Cross multiply
    35,057.88x = 48,384.10 × 19,954.20
  4. Step 4: Simplify right side
    35,057.88x = 965,466,008.22
  5. Step 5: Solve for x
    x = 965,466,008.22/35,057.88
  6. Step 6: Final answer
    x = 27,539.20

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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.