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Finding the Fourth Proportional to 23,699.79, 35,550.90 and 10,553.09

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Solution

The fourth proportional to 23,699.79, 35,550.90 and 10,553.09 is: 15,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.79 : 35,550.90 = 10,553.09 : x
  2. Step 2: Convert to fraction form
    23,699.79/35,550.90 = 10,553.09/x
  3. Step 3: Cross multiply
    23,699.79x = 35,550.90 × 10,553.09
  4. Step 4: Simplify right side
    23,699.79x = 375,171,669.53
  5. Step 5: Solve for x
    x = 375,171,669.53/23,699.79
  6. Step 6: Final answer
    x = 15,830.17

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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.