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Finding the Fourth Proportional to 35,620.44, 53,437.95 and 12,243.84

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Solution

The fourth proportional to 35,620.44, 53,437.95 and 12,243.84 is: 18,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.44 : 53,437.95 = 12,243.84 : x
  2. Step 2: Convert to fraction form
    35,620.44/53,437.95 = 12,243.84/x
  3. Step 3: Cross multiply
    35,620.44x = 53,437.95 × 12,243.84
  4. Step 4: Simplify right side
    35,620.44x = 654,285,709.73
  5. Step 5: Solve for x
    x = 654,285,709.73/35,620.44
  6. Step 6: Final answer
    x = 18,368.27

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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.