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Finding the Fourth Proportional to 43,807.90, 65,614.65 and 36,031.90

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Solution

The fourth proportional to 43,807.90, 65,614.65 and 36,031.90 is: 53,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.90 : 65,614.65 = 36,031.90 : x
  2. Step 2: Convert to fraction form
    43,807.90/65,614.65 = 36,031.90/x
  3. Step 3: Cross multiply
    43,807.90x = 65,614.65 × 36,031.90
  4. Step 4: Simplify right side
    43,807.90x = 2,364,220,507.34
  5. Step 5: Solve for x
    x = 2,364,220,507.34/43,807.90
  6. Step 6: Final answer
    x = 53,967.90

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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.