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Finding the Fourth Proportional to 5,835.16, 8,737.96 and 3,618.32

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Solution

The fourth proportional to 5,835.16, 8,737.96 and 3,618.32 is: 5,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,835.16 : 8,737.96 = 3,618.32 : x
  2. Step 2: Convert to fraction form
    5,835.16/8,737.96 = 3,618.32/x
  3. Step 3: Cross multiply
    5,835.16x = 8,737.96 × 3,618.32
  4. Step 4: Simplify right side
    5,835.16x = 31,616,731.84
  5. Step 5: Solve for x
    x = 31,616,731.84/5,835.16
  6. Step 6: Final answer
    x = 5,418.32

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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.