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Finding the Fourth Proportional to 4,648.70, 6,953.88 and 4,255.76

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Solution

The fourth proportional to 4,648.70, 6,953.88 and 4,255.76 is: 6,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.70 : 6,953.88 = 4,255.76 : x
  2. Step 2: Convert to fraction form
    4,648.70/6,953.88 = 4,255.76/x
  3. Step 3: Cross multiply
    4,648.70x = 6,953.88 × 4,255.76
  4. Step 4: Simplify right side
    4,648.70x = 29,594,044.35
  5. Step 5: Solve for x
    x = 29,594,044.35/4,648.70
  6. Step 6: Final answer
    x = 6,366.09

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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.