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Finding the Fourth Proportional to 45,937, 68,921.90 and 22,579.84

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Solution

The fourth proportional to 45,937, 68,921.90 and 22,579.84 is: 33,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,937 : 68,921.90 = 22,579.84 : x
  2. Step 2: Convert to fraction form
    45,937/68,921.90 = 22,579.84/x
  3. Step 3: Cross multiply
    45,937x = 68,921.90 × 22,579.84
  4. Step 4: Simplify right side
    45,937x = 1,556,245,474.50
  5. Step 5: Solve for x
    x = 1,556,245,474.50/45,937
  6. Step 6: Final answer
    x = 33,877.82

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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.