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Finding the Fourth Proportional to 17,374.49, 23,976.98 and 9,820.90

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Solution

The fourth proportional to 17,374.49, 23,976.98 and 9,820.90 is: 13,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.49 : 23,976.98 = 9,820.90 : x
  2. Step 2: Convert to fraction form
    17,374.49/23,976.98 = 9,820.90/x
  3. Step 3: Cross multiply
    17,374.49x = 23,976.98 × 9,820.90
  4. Step 4: Simplify right side
    17,374.49x = 235,475,522.88
  5. Step 5: Solve for x
    x = 235,475,522.88/17,374.49
  6. Step 6: Final answer
    x = 13,552.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.