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Finding the Fourth Proportional to 8,783.58, 13,173.21 and 2,627.58

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Solution

The fourth proportional to 8,783.58, 13,173.21 and 2,627.58 is: 3,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.58 : 13,173.21 = 2,627.58 : x
  2. Step 2: Convert to fraction form
    8,783.58/13,173.21 = 2,627.58/x
  3. Step 3: Cross multiply
    8,783.58x = 13,173.21 × 2,627.58
  4. Step 4: Simplify right side
    8,783.58x = 34,613,663.13
  5. Step 5: Solve for x
    x = 34,613,663.13/8,783.58
  6. Step 6: Final answer
    x = 3,940.72

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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.