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Finding the Fourth Proportional to 69,017.71, 103,548.45 and 24,643.48

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Solution

The fourth proportional to 69,017.71, 103,548.45 and 24,643.48 is: 36,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,017.71 : 103,548.45 = 24,643.48 : x
  2. Step 2: Convert to fraction form
    69,017.71/103,548.45 = 24,643.48/x
  3. Step 3: Cross multiply
    69,017.71x = 103,548.45 × 24,643.48
  4. Step 4: Simplify right side
    69,017.71x = 2,551,794,156.61
  5. Step 5: Solve for x
    x = 2,551,794,156.61/69,017.71
  6. Step 6: Final answer
    x = 36,973.03

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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.