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Finding the Fourth Proportional to 20,594.52, 30,894.18 and 7,453.08

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Solution

The fourth proportional to 20,594.52, 30,894.18 and 7,453.08 is: 11,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.52 : 30,894.18 = 7,453.08 : x
  2. Step 2: Convert to fraction form
    20,594.52/30,894.18 = 7,453.08/x
  3. Step 3: Cross multiply
    20,594.52x = 30,894.18 × 7,453.08
  4. Step 4: Simplify right side
    20,594.52x = 230,256,795.07
  5. Step 5: Solve for x
    x = 230,256,795.07/20,594.52
  6. Step 6: Final answer
    x = 11,180.49

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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.