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Finding the Fourth Proportional to 14,210.49, 19,610.52 and 7,923.09

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Solution

The fourth proportional to 14,210.49, 19,610.52 and 7,923.09 is: 10,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.49 : 19,610.52 = 7,923.09 : x
  2. Step 2: Convert to fraction form
    14,210.49/19,610.52 = 7,923.09/x
  3. Step 3: Cross multiply
    14,210.49x = 19,610.52 × 7,923.09
  4. Step 4: Simplify right side
    14,210.49x = 155,375,914.91
  5. Step 5: Solve for x
    x = 155,375,914.91/14,210.49
  6. Step 6: Final answer
    x = 10,933.89

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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.