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Finding the Fourth Proportional to 8,967.90, 13,423.08 and 4,797.48

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Solution

The fourth proportional to 8,967.90, 13,423.08 and 4,797.48 is: 7,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.90 : 13,423.08 = 4,797.48 : x
  2. Step 2: Convert to fraction form
    8,967.90/13,423.08 = 4,797.48/x
  3. Step 3: Cross multiply
    8,967.90x = 13,423.08 × 4,797.48
  4. Step 4: Simplify right side
    8,967.90x = 64,396,957.84
  5. Step 5: Solve for x
    x = 64,396,957.84/8,967.90
  6. Step 6: Final answer
    x = 7,180.83

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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.