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Finding the Fourth Proportional to 9,471.32, 14,215.74 and 4,794.64

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Solution

The fourth proportional to 9,471.32, 14,215.74 and 4,794.64 is: 7,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.32 : 14,215.74 = 4,794.64 : x
  2. Step 2: Convert to fraction form
    9,471.32/14,215.74 = 4,794.64/x
  3. Step 3: Cross multiply
    9,471.32x = 14,215.74 × 4,794.64
  4. Step 4: Simplify right side
    9,471.32x = 68,159,355.63
  5. Step 5: Solve for x
    x = 68,159,355.63/9,471.32
  6. Step 6: Final answer
    x = 7,196.39

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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.