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Finding the Fourth Proportional to 17,684.08, 24,394.60 and 13,428.08

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Solution

The fourth proportional to 17,684.08, 24,394.60 and 13,428.08 is: 18,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.08 : 24,394.60 = 13,428.08 : x
  2. Step 2: Convert to fraction form
    17,684.08/24,394.60 = 13,428.08/x
  3. Step 3: Cross multiply
    17,684.08x = 24,394.60 × 13,428.08
  4. Step 4: Simplify right side
    17,684.08x = 327,572,763.88
  5. Step 5: Solve for x
    x = 327,572,763.88/17,684.08
  6. Step 6: Final answer
    x = 18,523.60

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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.