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Finding the Fourth Proportional to 8,443.26, 12,668.53 and 4,546.89

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Solution

The fourth proportional to 8,443.26, 12,668.53 and 4,546.89 is: 6,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.26 : 12,668.53 = 4,546.89 : x
  2. Step 2: Convert to fraction form
    8,443.26/12,668.53 = 4,546.89/x
  3. Step 3: Cross multiply
    8,443.26x = 12,668.53 × 4,546.89
  4. Step 4: Simplify right side
    8,443.26x = 57,602,349.03
  5. Step 5: Solve for x
    x = 57,602,349.03/8,443.26
  6. Step 6: Final answer
    x = 6,822.29

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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.