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Finding the Fourth Proportional to 63,971.46, 95,978.44 and 19,598.66

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Solution

The fourth proportional to 63,971.46, 95,978.44 and 19,598.66 is: 29,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,971.46 : 95,978.44 = 19,598.66 : x
  2. Step 2: Convert to fraction form
    63,971.46/95,978.44 = 19,598.66/x
  3. Step 3: Cross multiply
    63,971.46x = 95,978.44 × 19,598.66
  4. Step 4: Simplify right side
    63,971.46x = 1,881,048,812.89
  5. Step 5: Solve for x
    x = 1,881,048,812.89/63,971.46
  6. Step 6: Final answer
    x = 29,404.50

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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.