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Finding the Fourth Proportional to 8,829.59, 13,247.61 and 8,307.95

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Solution

The fourth proportional to 8,829.59, 13,247.61 and 8,307.95 is: 12,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.59 : 13,247.61 = 8,307.95 : x
  2. Step 2: Convert to fraction form
    8,829.59/13,247.61 = 8,307.95/x
  3. Step 3: Cross multiply
    8,829.59x = 13,247.61 × 8,307.95
  4. Step 4: Simplify right side
    8,829.59x = 110,060,415.26
  5. Step 5: Solve for x
    x = 110,060,415.26/8,829.59
  6. Step 6: Final answer
    x = 12,464.96

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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.