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Finding the Fourth Proportional to 17,376.77, 23,980.04 and 9,418.93

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Solution

The fourth proportional to 17,376.77, 23,980.04 and 9,418.93 is: 12,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.77 : 23,980.04 = 9,418.93 : x
  2. Step 2: Convert to fraction form
    17,376.77/23,980.04 = 9,418.93/x
  3. Step 3: Cross multiply
    17,376.77x = 23,980.04 × 9,418.93
  4. Step 4: Simplify right side
    17,376.77x = 225,866,246.43
  5. Step 5: Solve for x
    x = 225,866,246.43/17,376.77
  6. Step 6: Final answer
    x = 12,998.17

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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.