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Finding the Fourth Proportional to 8,551.47, 12,828.60 and 3,003.33

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Solution

The fourth proportional to 8,551.47, 12,828.60 and 3,003.33 is: 4,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.47 : 12,828.60 = 3,003.33 : x
  2. Step 2: Convert to fraction form
    8,551.47/12,828.60 = 3,003.33/x
  3. Step 3: Cross multiply
    8,551.47x = 12,828.60 × 3,003.33
  4. Step 4: Simplify right side
    8,551.47x = 38,528,519.24
  5. Step 5: Solve for x
    x = 38,528,519.24/8,551.47
  6. Step 6: Final answer
    x = 4,505.48

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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.