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Finding the Fourth Proportional to 4,354.44, 6,530.88 and 1,888.64

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Solution

The fourth proportional to 4,354.44, 6,530.88 and 1,888.64 is: 2,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.44 : 6,530.88 = 1,888.64 : x
  2. Step 2: Convert to fraction form
    4,354.44/6,530.88 = 1,888.64/x
  3. Step 3: Cross multiply
    4,354.44x = 6,530.88 × 1,888.64
  4. Step 4: Simplify right side
    4,354.44x = 12,334,481.20
  5. Step 5: Solve for x
    x = 12,334,481.20/4,354.44
  6. Step 6: Final answer
    x = 2,832.62

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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.