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Finding the Fourth Proportional to 17,991.63, 24,828.12 and 10,437.84

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Solution

The fourth proportional to 17,991.63, 24,828.12 and 10,437.84 is: 14,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.63 : 24,828.12 = 10,437.84 : x
  2. Step 2: Convert to fraction form
    17,991.63/24,828.12 = 10,437.84/x
  3. Step 3: Cross multiply
    17,991.63x = 24,828.12 × 10,437.84
  4. Step 4: Simplify right side
    17,991.63x = 259,151,944.06
  5. Step 5: Solve for x
    x = 259,151,944.06/17,991.63
  6. Step 6: Final answer
    x = 14,404.03

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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.