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Finding the Fourth Proportional to 17,210.96, 23,752.08 and 12,954.38

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Solution

The fourth proportional to 17,210.96, 23,752.08 and 12,954.38 is: 17,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,210.96 : 23,752.08 = 12,954.38 : x
  2. Step 2: Convert to fraction form
    17,210.96/23,752.08 = 12,954.38/x
  3. Step 3: Cross multiply
    17,210.96x = 23,752.08 × 12,954.38
  4. Step 4: Simplify right side
    17,210.96x = 307,693,470.11
  5. Step 5: Solve for x
    x = 307,693,470.11/17,210.96
  6. Step 6: Final answer
    x = 17,877.76

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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.