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Finding the Fourth Proportional to 43,762.49, 65,657.50 and 15,663.38

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Solution

The fourth proportional to 43,762.49, 65,657.50 and 15,663.38 is: 23,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,762.49 : 65,657.50 = 15,663.38 : x
  2. Step 2: Convert to fraction form
    43,762.49/65,657.50 = 15,663.38/x
  3. Step 3: Cross multiply
    43,762.49x = 65,657.50 × 15,663.38
  4. Step 4: Simplify right side
    43,762.49x = 1,028,418,372.35
  5. Step 5: Solve for x
    x = 1,028,418,372.35/43,762.49
  6. Step 6: Final answer
    x = 23,500.00

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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.