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Finding the Fourth Proportional to 22,284.48, 30,751.44 and 12,852.48

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Solution

The fourth proportional to 22,284.48, 30,751.44 and 12,852.48 is: 17,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.48 : 30,751.44 = 12,852.48 : x
  2. Step 2: Convert to fraction form
    22,284.48/30,751.44 = 12,852.48/x
  3. Step 3: Cross multiply
    22,284.48x = 30,751.44 × 12,852.48
  4. Step 4: Simplify right side
    22,284.48x = 395,232,267.57
  5. Step 5: Solve for x
    x = 395,232,267.57/22,284.48
  6. Step 6: Final answer
    x = 17,735.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.