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Finding the Fourth Proportional to 6,520.64, 8,998.43 and 3,536.46

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Solution

The fourth proportional to 6,520.64, 8,998.43 and 3,536.46 is: 4,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.64 : 8,998.43 = 3,536.46 : x
  2. Step 2: Convert to fraction form
    6,520.64/8,998.43 = 3,536.46/x
  3. Step 3: Cross multiply
    6,520.64x = 8,998.43 × 3,536.46
  4. Step 4: Simplify right side
    6,520.64x = 31,822,570.08
  5. Step 5: Solve for x
    x = 31,822,570.08/6,520.64
  6. Step 6: Final answer
    x = 4,880.29

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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.