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Finding the Fourth Proportional to 6,516.60, 8,998.09 and 6,019.06

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Solution

The fourth proportional to 6,516.60, 8,998.09 and 6,019.06 is: 8,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.60 : 8,998.09 = 6,019.06 : x
  2. Step 2: Convert to fraction form
    6,516.60/8,998.09 = 6,019.06/x
  3. Step 3: Cross multiply
    6,516.60x = 8,998.09 × 6,019.06
  4. Step 4: Simplify right side
    6,516.60x = 54,160,013.50
  5. Step 5: Solve for x
    x = 54,160,013.50/6,516.60
  6. Step 6: Final answer
    x = 8,311.08

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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.