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Finding the Fourth Proportional to 8,967.84, 13,534.44 and 8,734.56

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Solution

The fourth proportional to 8,967.84, 13,534.44 and 8,734.56 is: 13,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.84 : 13,534.44 = 8,734.56 : x
  2. Step 2: Convert to fraction form
    8,967.84/13,534.44 = 8,734.56/x
  3. Step 3: Cross multiply
    8,967.84x = 13,534.44 × 8,734.56
  4. Step 4: Simplify right side
    8,967.84x = 118,217,378.25
  5. Step 5: Solve for x
    x = 118,217,378.25/8,967.84
  6. Step 6: Final answer
    x = 13,182.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.