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Finding the Fourth Proportional to 63,970.79, 95,967.11 and 21,848.56

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Solution

The fourth proportional to 63,970.79, 95,967.11 and 21,848.56 is: 32,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,970.79 : 95,967.11 = 21,848.56 : x
  2. Step 2: Convert to fraction form
    63,970.79/95,967.11 = 21,848.56/x
  3. Step 3: Cross multiply
    63,970.79x = 95,967.11 × 21,848.56
  4. Step 4: Simplify right side
    63,970.79x = 2,096,742,975.57
  5. Step 5: Solve for x
    x = 2,096,742,975.57/63,970.79
  6. Step 6: Final answer
    x = 32,776.57

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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.