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Finding the Fourth Proportional to 35,116.88, 48,461.34 and 20,008.88

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Solution

The fourth proportional to 35,116.88, 48,461.34 and 20,008.88 is: 27,612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,116.88 : 48,461.34 = 20,008.88 : x
  2. Step 2: Convert to fraction form
    35,116.88/48,461.34 = 20,008.88/x
  3. Step 3: Cross multiply
    35,116.88x = 48,461.34 × 20,008.88
  4. Step 4: Simplify right side
    35,116.88x = 969,657,136.70
  5. Step 5: Solve for x
    x = 969,657,136.70/35,116.88
  6. Step 6: Final answer
    x = 27,612.28

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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.