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Finding the Fourth Proportional to 60,713, 91,069.44 and 19,160

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Solution

The fourth proportional to 60,713, 91,069.44 and 19,160 is: 28,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,713 : 91,069.44 = 19,160 : x
  2. Step 2: Convert to fraction form
    60,713/91,069.44 = 19,160/x
  3. Step 3: Cross multiply
    60,713x = 91,069.44 × 19,160
  4. Step 4: Simplify right side
    60,713x = 1,744,890,470.40
  5. Step 5: Solve for x
    x = 1,744,890,470.40/60,713
  6. Step 6: Final answer
    x = 28,739.98

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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.