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Finding the Fourth Proportional to 7,467, 10,304.46 and 4,155

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Solution

The fourth proportional to 7,467, 10,304.46 and 4,155 is: 5,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467 : 10,304.46 = 4,155 : x
  2. Step 2: Convert to fraction form
    7,467/10,304.46 = 4,155/x
  3. Step 3: Cross multiply
    7,467x = 10,304.46 × 4,155
  4. Step 4: Simplify right side
    7,467x = 42,815,031.30
  5. Step 5: Solve for x
    x = 42,815,031.30/7,467
  6. Step 6: Final answer
    x = 5,733.90

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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.