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Finding the Fourth Proportional to 8,354.40, 12,525.44 and 5,066.88

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Solution

The fourth proportional to 8,354.40, 12,525.44 and 5,066.88 is: 7,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.40 : 12,525.44 = 5,066.88 : x
  2. Step 2: Convert to fraction form
    8,354.40/12,525.44 = 5,066.88/x
  3. Step 3: Cross multiply
    8,354.40x = 12,525.44 × 5,066.88
  4. Step 4: Simplify right side
    8,354.40x = 63,464,901.43
  5. Step 5: Solve for x
    x = 63,464,901.43/8,354.40
  6. Step 6: Final answer
    x = 7,596.58

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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.