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Finding the Fourth Proportional to 18,451.79, 25,463.77 and 10,068.29

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Solution

The fourth proportional to 18,451.79, 25,463.77 and 10,068.29 is: 13,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.79 : 25,463.77 = 10,068.29 : x
  2. Step 2: Convert to fraction form
    18,451.79/25,463.77 = 10,068.29/x
  3. Step 3: Cross multiply
    18,451.79x = 25,463.77 × 10,068.29
  4. Step 4: Simplify right side
    18,451.79x = 256,376,620.85
  5. Step 5: Solve for x
    x = 256,376,620.85/18,451.79
  6. Step 6: Final answer
    x = 13,894.40

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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.