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Finding the Fourth Proportional to 17,814.48, 26,721.68 and 6,723.68

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Solution

The fourth proportional to 17,814.48, 26,721.68 and 6,723.68 is: 10,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,814.48 : 26,721.68 = 6,723.68 : x
  2. Step 2: Convert to fraction form
    17,814.48/26,721.68 = 6,723.68/x
  3. Step 3: Cross multiply
    17,814.48x = 26,721.68 × 6,723.68
  4. Step 4: Simplify right side
    17,814.48x = 179,668,025.38
  5. Step 5: Solve for x
    x = 179,668,025.38/17,814.48
  6. Step 6: Final answer
    x = 10,085.50

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1.5x scale

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.