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Finding the Fourth Proportional to 60,097, 90,126.33 and 20,644.60

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Solution

The fourth proportional to 60,097, 90,126.33 and 20,644.60 is: 30,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,097 : 90,126.33 = 20,644.60 : x
  2. Step 2: Convert to fraction form
    60,097/90,126.33 = 20,644.60/x
  3. Step 3: Cross multiply
    60,097x = 90,126.33 × 20,644.60
  4. Step 4: Simplify right side
    60,097x = 1,860,622,032.32
  5. Step 5: Solve for x
    x = 1,860,622,032.32/60,097
  6. Step 6: Final answer
    x = 30,960.31

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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.