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Finding the Fourth Proportional to 35,453.65, 48,923.71 and 19,538.09

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Solution

The fourth proportional to 35,453.65, 48,923.71 and 19,538.09 is: 26,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.65 : 48,923.71 = 19,538.09 : x
  2. Step 2: Convert to fraction form
    35,453.65/48,923.71 = 19,538.09/x
  3. Step 3: Cross multiply
    35,453.65x = 48,923.71 × 19,538.09
  4. Step 4: Simplify right side
    35,453.65x = 955,875,849.11
  5. Step 5: Solve for x
    x = 955,875,849.11/35,453.65
  6. Step 6: Final answer
    x = 26,961.28

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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.