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Finding the Fourth Proportional to 43,636.84, 65,459.00 and 12,046.89

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Solution

The fourth proportional to 43,636.84, 65,459.00 and 12,046.89 is: 18,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,636.84 : 65,459.00 = 12,046.89 : x
  2. Step 2: Convert to fraction form
    43,636.84/65,459.00 = 12,046.89/x
  3. Step 3: Cross multiply
    43,636.84x = 65,459.00 × 12,046.89
  4. Step 4: Simplify right side
    43,636.84x = 788,577,648.10
  5. Step 5: Solve for x
    x = 788,577,648.10/43,636.84
  6. Step 6: Final answer
    x = 18,071.37

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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.