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Finding the Fourth Proportional to 35,188.98, 48,561.93 and 21,755.94

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Solution

The fourth proportional to 35,188.98, 48,561.93 and 21,755.94 is: 30,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.98 : 48,561.93 = 21,755.94 : x
  2. Step 2: Convert to fraction form
    35,188.98/48,561.93 = 21,755.94/x
  3. Step 3: Cross multiply
    35,188.98x = 48,561.93 × 21,755.94
  4. Step 4: Simplify right side
    35,188.98x = 1,056,510,435.36
  5. Step 5: Solve for x
    x = 1,056,510,435.36/35,188.98
  6. Step 6: Final answer
    x = 30,023.90

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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.