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Finding the Fourth Proportional to 63,344.56, 94,985.04 and 21,210.16

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Solution

The fourth proportional to 63,344.56, 94,985.04 and 21,210.16 is: 31,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,344.56 : 94,985.04 = 21,210.16 : x
  2. Step 2: Convert to fraction form
    63,344.56/94,985.04 = 21,210.16/x
  3. Step 3: Cross multiply
    63,344.56x = 94,985.04 × 21,210.16
  4. Step 4: Simplify right side
    63,344.56x = 2,014,647,896.01
  5. Step 5: Solve for x
    x = 2,014,647,896.01/63,344.56
  6. Step 6: Final answer
    x = 31,804.59

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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.