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Finding the Fourth Proportional to 13,735.33, 20,602.99 and 4,968.20

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Solution

The fourth proportional to 13,735.33, 20,602.99 and 4,968.20 is: 7,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.33 : 20,602.99 = 4,968.20 : x
  2. Step 2: Convert to fraction form
    13,735.33/20,602.99 = 4,968.20/x
  3. Step 3: Cross multiply
    13,735.33x = 20,602.99 × 4,968.20
  4. Step 4: Simplify right side
    13,735.33x = 102,359,750.08
  5. Step 5: Solve for x
    x = 102,359,750.08/13,735.33
  6. Step 6: Final answer
    x = 7,452.30

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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.