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Finding the Fourth Proportional to 8,473.05, 12,724.15 and 4,580.19

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Solution

The fourth proportional to 8,473.05, 12,724.15 and 4,580.19 is: 6,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.05 : 12,724.15 = 4,580.19 : x
  2. Step 2: Convert to fraction form
    8,473.05/12,724.15 = 4,580.19/x
  3. Step 3: Cross multiply
    8,473.05x = 12,724.15 × 4,580.19
  4. Step 4: Simplify right side
    8,473.05x = 58,279,024.59
  5. Step 5: Solve for x
    x = 58,279,024.59/8,473.05
  6. Step 6: Final answer
    x = 6,878.16

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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.