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Finding the Fourth Proportional to 49,905.80, 74,859.90 and 14,846.60

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Solution

The fourth proportional to 49,905.80, 74,859.90 and 14,846.60 is: 22,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,905.80 : 74,859.90 = 14,846.60 : x
  2. Step 2: Convert to fraction form
    49,905.80/74,859.90 = 14,846.60/x
  3. Step 3: Cross multiply
    49,905.80x = 74,859.90 × 14,846.60
  4. Step 4: Simplify right side
    49,905.80x = 1,111,414,991.34
  5. Step 5: Solve for x
    x = 1,111,414,991.34/49,905.80
  6. Step 6: Final answer
    x = 22,270.26

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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.