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Finding the Fourth Proportional to 63,810.83, 95,720.64 and 21,673.72

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Solution

The fourth proportional to 63,810.83, 95,720.64 and 21,673.72 is: 32,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,810.83 : 95,720.64 = 21,673.72 : x
  2. Step 2: Convert to fraction form
    63,810.83/95,720.64 = 21,673.72/x
  3. Step 3: Cross multiply
    63,810.83x = 95,720.64 × 21,673.72
  4. Step 4: Simplify right side
    63,810.83x = 2,074,622,349.58
  5. Step 5: Solve for x
    x = 2,074,622,349.58/63,810.83
  6. Step 6: Final answer
    x = 32,512.07

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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.