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Finding the Fourth Proportional to 17,408.45, 24,021.12 and 9,955.01

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Solution

The fourth proportional to 17,408.45, 24,021.12 and 9,955.01 is: 13,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.45 : 24,021.12 = 9,955.01 : x
  2. Step 2: Convert to fraction form
    17,408.45/24,021.12 = 9,955.01/x
  3. Step 3: Cross multiply
    17,408.45x = 24,021.12 × 9,955.01
  4. Step 4: Simplify right side
    17,408.45x = 239,130,319.93
  5. Step 5: Solve for x
    x = 239,130,319.93/17,408.45
  6. Step 6: Final answer
    x = 13,736.45

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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.