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Finding the Fourth Proportional to 13,797.48, 20,689.08 and 6,774.36

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Solution

The fourth proportional to 13,797.48, 20,689.08 and 6,774.36 is: 10,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.48 : 20,689.08 = 6,774.36 : x
  2. Step 2: Convert to fraction form
    13,797.48/20,689.08 = 6,774.36/x
  3. Step 3: Cross multiply
    13,797.48x = 20,689.08 × 6,774.36
  4. Step 4: Simplify right side
    13,797.48x = 140,155,275.99
  5. Step 5: Solve for x
    x = 140,155,275.99/13,797.48
  6. Step 6: Final answer
    x = 10,158.03

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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.