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Finding the Fourth Proportional to 15,448.47, 23,170.24 and 4,917.12

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Solution

The fourth proportional to 15,448.47, 23,170.24 and 4,917.12 is: 7,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.47 : 23,170.24 = 4,917.12 : x
  2. Step 2: Convert to fraction form
    15,448.47/23,170.24 = 4,917.12/x
  3. Step 3: Cross multiply
    15,448.47x = 23,170.24 × 4,917.12
  4. Step 4: Simplify right side
    15,448.47x = 113,930,850.51
  5. Step 5: Solve for x
    x = 113,930,850.51/15,448.47
  6. Step 6: Final answer
    x = 7,374.90

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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.