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Finding the Fourth Proportional to 35,361.88, 48,800.70 and 19,447.72

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Solution

The fourth proportional to 35,361.88, 48,800.70 and 19,447.72 is: 26,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,361.88 : 48,800.70 = 19,447.72 : x
  2. Step 2: Convert to fraction form
    35,361.88/48,800.70 = 19,447.72/x
  3. Step 3: Cross multiply
    35,361.88x = 48,800.70 × 19,447.72
  4. Step 4: Simplify right side
    35,361.88x = 949,062,349.40
  5. Step 5: Solve for x
    x = 949,062,349.40/35,361.88
  6. Step 6: Final answer
    x = 26,838.57

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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.