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Finding the Fourth Proportional to 22,542.71, 33,815.88 and 7,751.63

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Solution

The fourth proportional to 22,542.71, 33,815.88 and 7,751.63 is: 11,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.71 : 33,815.88 = 7,751.63 : x
  2. Step 2: Convert to fraction form
    22,542.71/33,815.88 = 7,751.63/x
  3. Step 3: Cross multiply
    22,542.71x = 33,815.88 × 7,751.63
  4. Step 4: Simplify right side
    22,542.71x = 262,128,274.42
  5. Step 5: Solve for x
    x = 262,128,274.42/22,542.71
  6. Step 6: Final answer
    x = 11,628.08

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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.