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Finding the Fourth Proportional to 6,505.73, 8,977.92 and 3,521.59

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Solution

The fourth proportional to 6,505.73, 8,977.92 and 3,521.59 is: 4,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.73 : 8,977.92 = 3,521.59 : x
  2. Step 2: Convert to fraction form
    6,505.73/8,977.92 = 3,521.59/x
  3. Step 3: Cross multiply
    6,505.73x = 8,977.92 × 3,521.59
  4. Step 4: Simplify right side
    6,505.73x = 31,616,553.29
  5. Step 5: Solve for x
    x = 31,616,553.29/6,505.73
  6. Step 6: Final answer
    x = 4,859.80

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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.