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Finding the Fourth Proportional to 54,361.34, 74,949.22 and 35,207.28

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Solution

The fourth proportional to 54,361.34, 74,949.22 and 35,207.28 is: 48,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361.34 : 74,949.22 = 35,207.28 : x
  2. Step 2: Convert to fraction form
    54,361.34/74,949.22 = 35,207.28/x
  3. Step 3: Cross multiply
    54,361.34x = 74,949.22 × 35,207.28
  4. Step 4: Simplify right side
    54,361.34x = 2,638,758,174.32
  5. Step 5: Solve for x
    x = 2,638,758,174.32/54,361.34
  6. Step 6: Final answer
    x = 48,541.08

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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.