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Finding the Fourth Proportional to 28,966.03, 43,448.60 and 9,244.47

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Solution

The fourth proportional to 28,966.03, 43,448.60 and 9,244.47 is: 13,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.03 : 43,448.60 = 9,244.47 : x
  2. Step 2: Convert to fraction form
    28,966.03/43,448.60 = 9,244.47/x
  3. Step 3: Cross multiply
    28,966.03x = 43,448.60 × 9,244.47
  4. Step 4: Simplify right side
    28,966.03x = 401,659,015.78
  5. Step 5: Solve for x
    x = 401,659,015.78/28,966.03
  6. Step 6: Final answer
    x = 13,866.55

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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.