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Finding the Fourth Proportional to 35,225.70, 48,611.89 and 19,309.80

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Solution

The fourth proportional to 35,225.70, 48,611.89 and 19,309.80 is: 26,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,225.70 : 48,611.89 = 19,309.80 : x
  2. Step 2: Convert to fraction form
    35,225.70/48,611.89 = 19,309.80/x
  3. Step 3: Cross multiply
    35,225.70x = 48,611.89 × 19,309.80
  4. Step 4: Simplify right side
    35,225.70x = 938,685,873.52
  5. Step 5: Solve for x
    x = 938,685,873.52/35,225.70
  6. Step 6: Final answer
    x = 26,647.76

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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.