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Finding the Fourth Proportional to 13,893.58, 20,842.20 and 4,530.31

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Solution

The fourth proportional to 13,893.58, 20,842.20 and 4,530.31 is: 6,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.58 : 20,842.20 = 4,530.31 : x
  2. Step 2: Convert to fraction form
    13,893.58/20,842.20 = 4,530.31/x
  3. Step 3: Cross multiply
    13,893.58x = 20,842.20 × 4,530.31
  4. Step 4: Simplify right side
    13,893.58x = 94,421,627.08
  5. Step 5: Solve for x
    x = 94,421,627.08/13,893.58
  6. Step 6: Final answer
    x = 6,796.06

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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.