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Finding the Fourth Proportional to 35,261.78, 48,664.41 and 19,349.33

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Solution

The fourth proportional to 35,261.78, 48,664.41 and 19,349.33 is: 26,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,261.78 : 48,664.41 = 19,349.33 : x
  2. Step 2: Convert to fraction form
    35,261.78/48,664.41 = 19,349.33/x
  3. Step 3: Cross multiply
    35,261.78x = 48,664.41 × 19,349.33
  4. Step 4: Simplify right side
    35,261.78x = 941,623,728.35
  5. Step 5: Solve for x
    x = 941,623,728.35/35,261.78
  6. Step 6: Final answer
    x = 26,703.81

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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.