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Finding the Fourth Proportional to 49,010.94, 73,484.82 and 20,949.30

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Solution

The fourth proportional to 49,010.94, 73,484.82 and 20,949.30 is: 31,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,010.94 : 73,484.82 = 20,949.30 : x
  2. Step 2: Convert to fraction form
    49,010.94/73,484.82 = 20,949.30/x
  3. Step 3: Cross multiply
    49,010.94x = 73,484.82 × 20,949.30
  4. Step 4: Simplify right side
    49,010.94x = 1,539,455,539.63
  5. Step 5: Solve for x
    x = 1,539,455,539.63/49,010.94
  6. Step 6: Final answer
    x = 31,410.45

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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.