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Finding the Fourth Proportional to 63,762.54, 95,655.42 and 21,070.41

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Solution

The fourth proportional to 63,762.54, 95,655.42 and 21,070.41 is: 31,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,762.54 : 95,655.42 = 21,070.41 : x
  2. Step 2: Convert to fraction form
    63,762.54/95,655.42 = 21,070.41/x
  3. Step 3: Cross multiply
    63,762.54x = 95,655.42 × 21,070.41
  4. Step 4: Simplify right side
    63,762.54x = 2,015,498,918.12
  5. Step 5: Solve for x
    x = 2,015,498,918.12/63,762.54
  6. Step 6: Final answer
    x = 31,609.45

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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.