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Finding the Fourth Proportional to 54,907.68, 82,361.52 and 13,354.32

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Solution

The fourth proportional to 54,907.68, 82,361.52 and 13,354.32 is: 20,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.68 : 82,361.52 = 13,354.32 : x
  2. Step 2: Convert to fraction form
    54,907.68/82,361.52 = 13,354.32/x
  3. Step 3: Cross multiply
    54,907.68x = 82,361.52 × 13,354.32
  4. Step 4: Simplify right side
    54,907.68x = 1,099,882,093.77
  5. Step 5: Solve for x
    x = 1,099,882,093.77/54,907.68
  6. Step 6: Final answer
    x = 20,031.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.