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Finding the Fourth Proportional to 9,021.60, 13,532.40 and 2,448.60

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Solution

The fourth proportional to 9,021.60, 13,532.40 and 2,448.60 is: 3,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.60 : 13,532.40 = 2,448.60 : x
  2. Step 2: Convert to fraction form
    9,021.60/13,532.40 = 2,448.60/x
  3. Step 3: Cross multiply
    9,021.60x = 13,532.40 × 2,448.60
  4. Step 4: Simplify right side
    9,021.60x = 33,135,434.64
  5. Step 5: Solve for x
    x = 33,135,434.64/9,021.60
  6. Step 6: Final answer
    x = 3,672.90

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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.