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Finding the Fourth Proportional to 38,855.02, 53,620.01 and 22,940.49

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Solution

The fourth proportional to 38,855.02, 53,620.01 and 22,940.49 is: 31,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.02 : 53,620.01 = 22,940.49 : x
  2. Step 2: Convert to fraction form
    38,855.02/53,620.01 = 22,940.49/x
  3. Step 3: Cross multiply
    38,855.02x = 53,620.01 × 22,940.49
  4. Step 4: Simplify right side
    38,855.02x = 1,230,069,475.60
  5. Step 5: Solve for x
    x = 1,230,069,475.60/38,855.02
  6. Step 6: Final answer
    x = 31,657.93

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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.