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Finding the Fourth Proportional to 63,168.84, 94,762.62 and 21,035.16

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Solution

The fourth proportional to 63,168.84, 94,762.62 and 21,035.16 is: 31,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,168.84 : 94,762.62 = 21,035.16 : x
  2. Step 2: Convert to fraction form
    63,168.84/94,762.62 = 21,035.16/x
  3. Step 3: Cross multiply
    63,168.84x = 94,762.62 × 21,035.16
  4. Step 4: Simplify right side
    63,168.84x = 1,993,346,873.72
  5. Step 5: Solve for x
    x = 1,993,346,873.72/63,168.84
  6. Step 6: Final answer
    x = 31,555.86

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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.