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Finding the Fourth Proportional to 35,321.61, 48,744.73 and 19,406.46

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Solution

The fourth proportional to 35,321.61, 48,744.73 and 19,406.46 is: 26,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.61 : 48,744.73 = 19,406.46 : x
  2. Step 2: Convert to fraction form
    35,321.61/48,744.73 = 19,406.46/x
  3. Step 3: Cross multiply
    35,321.61x = 48,744.73 × 19,406.46
  4. Step 4: Simplify right side
    35,321.61x = 945,962,652.96
  5. Step 5: Solve for x
    x = 945,962,652.96/35,321.61
  6. Step 6: Final answer
    x = 26,781.41

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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.