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Finding the Fourth Proportional to 54,622.31, 75,384.54 and 31,968.63

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Solution

The fourth proportional to 54,622.31, 75,384.54 and 31,968.63 is: 44,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,622.31 : 75,384.54 = 31,968.63 : x
  2. Step 2: Convert to fraction form
    54,622.31/75,384.54 = 31,968.63/x
  3. Step 3: Cross multiply
    54,622.31x = 75,384.54 × 31,968.63
  4. Step 4: Simplify right side
    54,622.31x = 2,409,940,466.98
  5. Step 5: Solve for x
    x = 2,409,940,466.98/54,622.31
  6. Step 6: Final answer
    x = 44,120.08

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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.