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Finding the Fourth Proportional to 41,886.90, 62,829.84 and 12,303.68

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Solution

The fourth proportional to 41,886.90, 62,829.84 and 12,303.68 is: 18,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,886.90 : 62,829.84 = 12,303.68 : x
  2. Step 2: Convert to fraction form
    41,886.90/62,829.84 = 12,303.68/x
  3. Step 3: Cross multiply
    41,886.90x = 62,829.84 × 12,303.68
  4. Step 4: Simplify right side
    41,886.90x = 773,037,977.80
  5. Step 5: Solve for x
    x = 773,037,977.80/41,886.90
  6. Step 6: Final answer
    x = 18,455.36

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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.