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Finding the Fourth Proportional to 9,257.60, 12,775.64 and 5,066.08

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Solution

The fourth proportional to 9,257.60, 12,775.64 and 5,066.08 is: 6,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.60 : 12,775.64 = 5,066.08 : x
  2. Step 2: Convert to fraction form
    9,257.60/12,775.64 = 5,066.08/x
  3. Step 3: Cross multiply
    9,257.60x = 12,775.64 × 5,066.08
  4. Step 4: Simplify right side
    9,257.60x = 64,722,414.29
  5. Step 5: Solve for x
    x = 64,722,414.29/9,257.60
  6. Step 6: Final answer
    x = 6,991.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.