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Finding the Fourth Proportional to 6,752.70, 10,128.57 and 1,822.62

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Solution

The fourth proportional to 6,752.70, 10,128.57 and 1,822.62 is: 2,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.70 : 10,128.57 = 1,822.62 : x
  2. Step 2: Convert to fraction form
    6,752.70/10,128.57 = 1,822.62/x
  3. Step 3: Cross multiply
    6,752.70x = 10,128.57 × 1,822.62
  4. Step 4: Simplify right side
    6,752.70x = 18,460,534.25
  5. Step 5: Solve for x
    x = 18,460,534.25/6,752.70
  6. Step 6: Final answer
    x = 2,733.80

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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.