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Finding the Fourth Proportional to 63,314.74, 94,924.94 and 21,169.88

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Solution

The fourth proportional to 63,314.74, 94,924.94 and 21,169.88 is: 31,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,314.74 : 94,924.94 = 21,169.88 : x
  2. Step 2: Convert to fraction form
    63,314.74/94,924.94 = 21,169.88/x
  3. Step 3: Cross multiply
    63,314.74x = 94,924.94 × 21,169.88
  4. Step 4: Simplify right side
    63,314.74x = 2,009,549,588.81
  5. Step 5: Solve for x
    x = 2,009,549,588.81/63,314.74
  6. Step 6: Final answer
    x = 31,739.05

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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.