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Finding the Fourth Proportional to 11,903.68, 17,841.12 and 8,593.84

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Solution

The fourth proportional to 11,903.68, 17,841.12 and 8,593.84 is: 12,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.68 : 17,841.12 = 8,593.84 : x
  2. Step 2: Convert to fraction form
    11,903.68/17,841.12 = 8,593.84/x
  3. Step 3: Cross multiply
    11,903.68x = 17,841.12 × 8,593.84
  4. Step 4: Simplify right side
    11,903.68x = 153,323,730.70
  5. Step 5: Solve for x
    x = 153,323,730.70/11,903.68
  6. Step 6: Final answer
    x = 12,880.36

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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.