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Finding the Fourth Proportional to 15,335.69, 22,980.69 and 7,930.26

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Solution

The fourth proportional to 15,335.69, 22,980.69 and 7,930.26 is: 11,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.69 : 22,980.69 = 7,930.26 : x
  2. Step 2: Convert to fraction form
    15,335.69/22,980.69 = 7,930.26/x
  3. Step 3: Cross multiply
    15,335.69x = 22,980.69 × 7,930.26
  4. Step 4: Simplify right side
    15,335.69x = 182,242,846.68
  5. Step 5: Solve for x
    x = 182,242,846.68/15,335.69
  6. Step 6: Final answer
    x = 11,883.58

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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.