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Finding the Fourth Proportional to 6,520.68, 8,996.16 and 4,283.76

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Solution

The fourth proportional to 6,520.68, 8,996.16 and 4,283.76 is: 5,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.68 : 8,996.16 = 4,283.76 : x
  2. Step 2: Convert to fraction form
    6,520.68/8,996.16 = 4,283.76/x
  3. Step 3: Cross multiply
    6,520.68x = 8,996.16 × 4,283.76
  4. Step 4: Simplify right side
    6,520.68x = 38,537,390.36
  5. Step 5: Solve for x
    x = 38,537,390.36/6,520.68
  6. Step 6: Final answer
    x = 5,910.03

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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.