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Finding the Fourth Proportional to 29,907.84, 44,858.40 and 7,720.32

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Solution

The fourth proportional to 29,907.84, 44,858.40 and 7,720.32 is: 11,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,907.84 : 44,858.40 = 7,720.32 : x
  2. Step 2: Convert to fraction form
    29,907.84/44,858.40 = 7,720.32/x
  3. Step 3: Cross multiply
    29,907.84x = 44,858.40 × 7,720.32
  4. Step 4: Simplify right side
    29,907.84x = 346,321,202.69
  5. Step 5: Solve for x
    x = 346,321,202.69/29,907.84
  6. Step 6: Final answer
    x = 11,579.61

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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.