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Finding the Fourth Proportional to 24,597.68, 33,945.12 and 13,419.68

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Solution

The fourth proportional to 24,597.68, 33,945.12 and 13,419.68 is: 18,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,597.68 : 33,945.12 = 13,419.68 : x
  2. Step 2: Convert to fraction form
    24,597.68/33,945.12 = 13,419.68/x
  3. Step 3: Cross multiply
    24,597.68x = 33,945.12 × 13,419.68
  4. Step 4: Simplify right side
    24,597.68x = 455,532,647.96
  5. Step 5: Solve for x
    x = 455,532,647.96/24,597.68
  6. Step 6: Final answer
    x = 18,519.33

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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.