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Finding the Fourth Proportional to 4,962.46, 7,488.71 and 4,797.22

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Solution

The fourth proportional to 4,962.46, 7,488.71 and 4,797.22 is: 7,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,962.46 : 7,488.71 = 4,797.22 : x
  2. Step 2: Convert to fraction form
    4,962.46/7,488.71 = 4,797.22/x
  3. Step 3: Cross multiply
    4,962.46x = 7,488.71 × 4,797.22
  4. Step 4: Simplify right side
    4,962.46x = 35,924,989.39
  5. Step 5: Solve for x
    x = 35,924,989.39/4,962.46
  6. Step 6: Final answer
    x = 7,239.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.