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Finding the Fourth Proportional to 8,828.60, 13,211.64 and 6,483.04

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Solution

The fourth proportional to 8,828.60, 13,211.64 and 6,483.04 is: 9,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.60 : 13,211.64 = 6,483.04 : x
  2. Step 2: Convert to fraction form
    8,828.60/13,211.64 = 6,483.04/x
  3. Step 3: Cross multiply
    8,828.60x = 13,211.64 × 6,483.04
  4. Step 4: Simplify right side
    8,828.60x = 85,651,590.59
  5. Step 5: Solve for x
    x = 85,651,590.59/8,828.60
  6. Step 6: Final answer
    x = 9,701.61

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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.