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Finding the Fourth Proportional to 35,114.69, 48,457.82 and 20,008.20

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Solution

The fourth proportional to 35,114.69, 48,457.82 and 20,008.20 is: 27,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,114.69 : 48,457.82 = 20,008.20 : x
  2. Step 2: Convert to fraction form
    35,114.69/48,457.82 = 20,008.20/x
  3. Step 3: Cross multiply
    35,114.69x = 48,457.82 × 20,008.20
  4. Step 4: Simplify right side
    35,114.69x = 969,553,654.08
  5. Step 5: Solve for x
    x = 969,553,654.08/35,114.69
  6. Step 6: Final answer
    x = 27,611.06

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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.