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Finding the Fourth Proportional to 9,479.62, 14,228.16 and 4,802.88

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Solution

The fourth proportional to 9,479.62, 14,228.16 and 4,802.88 is: 7,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.62 : 14,228.16 = 4,802.88 : x
  2. Step 2: Convert to fraction form
    9,479.62/14,228.16 = 4,802.88/x
  3. Step 3: Cross multiply
    9,479.62x = 14,228.16 × 4,802.88
  4. Step 4: Simplify right side
    9,479.62x = 68,336,121.09
  5. Step 5: Solve for x
    x = 68,336,121.09/9,479.62
  6. Step 6: Final answer
    x = 7,208.74

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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.