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Finding the Fourth Proportional to 4,685, 7,024.26 and 2,836.58

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Solution

The fourth proportional to 4,685, 7,024.26 and 2,836.58 is: 4,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685 : 7,024.26 = 2,836.58 : x
  2. Step 2: Convert to fraction form
    4,685/7,024.26 = 2,836.58/x
  3. Step 3: Cross multiply
    4,685x = 7,024.26 × 2,836.58
  4. Step 4: Simplify right side
    4,685x = 19,924,875.43
  5. Step 5: Solve for x
    x = 19,924,875.43/4,685
  6. Step 6: Final answer
    x = 4,252.91

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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.