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Finding the Fourth Proportional to 8,980.36, 13,461.90 and 4,599.88

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Solution

The fourth proportional to 8,980.36, 13,461.90 and 4,599.88 is: 6,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.36 : 13,461.90 = 4,599.88 : x
  2. Step 2: Convert to fraction form
    8,980.36/13,461.90 = 4,599.88/x
  3. Step 3: Cross multiply
    8,980.36x = 13,461.90 × 4,599.88
  4. Step 4: Simplify right side
    8,980.36x = 61,923,124.57
  5. Step 5: Solve for x
    x = 61,923,124.57/8,980.36
  6. Step 6: Final answer
    x = 6,895.39

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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.