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Finding the Fourth Proportional to 34,993.50, 48,292.95 and 20,090.46

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Solution

The fourth proportional to 34,993.50, 48,292.95 and 20,090.46 is: 27,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.50 : 48,292.95 = 20,090.46 : x
  2. Step 2: Convert to fraction form
    34,993.50/48,292.95 = 20,090.46/x
  3. Step 3: Cross multiply
    34,993.50x = 48,292.95 × 20,090.46
  4. Step 4: Simplify right side
    34,993.50x = 970,227,580.26
  5. Step 5: Solve for x
    x = 970,227,580.26/34,993.50
  6. Step 6: Final answer
    x = 27,725.94

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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.