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Finding the Fourth Proportional to 63,303.66, 94,923.90 and 21,169.08

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Solution

The fourth proportional to 63,303.66, 94,923.90 and 21,169.08 is: 31,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,303.66 : 94,923.90 = 21,169.08 : x
  2. Step 2: Convert to fraction form
    63,303.66/94,923.90 = 21,169.08/x
  3. Step 3: Cross multiply
    63,303.66x = 94,923.90 × 21,169.08
  4. Step 4: Simplify right side
    63,303.66x = 2,009,451,633.01
  5. Step 5: Solve for x
    x = 2,009,451,633.01/63,303.66
  6. Step 6: Final answer
    x = 31,743.06

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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.