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Finding the Fourth Proportional to 4,681.92, 7,027.68 and 3,153.60

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Solution

The fourth proportional to 4,681.92, 7,027.68 and 3,153.60 is: 4,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.92 : 7,027.68 = 3,153.60 : x
  2. Step 2: Convert to fraction form
    4,681.92/7,027.68 = 3,153.60/x
  3. Step 3: Cross multiply
    4,681.92x = 7,027.68 × 3,153.60
  4. Step 4: Simplify right side
    4,681.92x = 22,162,491.65
  5. Step 5: Solve for x
    x = 22,162,491.65/4,681.92
  6. Step 6: Final answer
    x = 4,733.63

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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.