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Finding the Fourth Proportional to 22,271.63, 30,735.92 and 12,335.63

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Solution

The fourth proportional to 22,271.63, 30,735.92 and 12,335.63 is: 17,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.63 : 30,735.92 = 12,335.63 : x
  2. Step 2: Convert to fraction form
    22,271.63/30,735.92 = 12,335.63/x
  3. Step 3: Cross multiply
    22,271.63x = 30,735.92 × 12,335.63
  4. Step 4: Simplify right side
    22,271.63x = 379,146,813.99
  5. Step 5: Solve for x
    x = 379,146,813.99/22,271.63
  6. Step 6: Final answer
    x = 17,023.76

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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.