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Finding the Fourth Proportional to 9,254.68, 12,771.78 and 5,063.32

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Solution

The fourth proportional to 9,254.68, 12,771.78 and 5,063.32 is: 6,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254.68 : 12,771.78 = 5,063.32 : x
  2. Step 2: Convert to fraction form
    9,254.68/12,771.78 = 5,063.32/x
  3. Step 3: Cross multiply
    9,254.68x = 12,771.78 × 5,063.32
  4. Step 4: Simplify right side
    9,254.68x = 64,667,609.11
  5. Step 5: Solve for x
    x = 64,667,609.11/9,254.68
  6. Step 6: Final answer
    x = 6,987.56

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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.