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Finding the Fourth Proportional to 66,314.75, 99,474.87 and 19,567.63

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Solution

The fourth proportional to 66,314.75, 99,474.87 and 19,567.63 is: 29,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,314.75 : 99,474.87 = 19,567.63 : x
  2. Step 2: Convert to fraction form
    66,314.75/99,474.87 = 19,567.63/x
  3. Step 3: Cross multiply
    66,314.75x = 99,474.87 × 19,567.63
  4. Step 4: Simplify right side
    66,314.75x = 1,946,486,953.08
  5. Step 5: Solve for x
    x = 1,946,486,953.08/66,314.75
  6. Step 6: Final answer
    x = 29,352.25

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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.