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Finding the Fourth Proportional to 15,434.11, 23,160.39 and 6,669.01

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Solution

The fourth proportional to 15,434.11, 23,160.39 and 6,669.01 is: 10,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.11 : 23,160.39 = 6,669.01 : x
  2. Step 2: Convert to fraction form
    15,434.11/23,160.39 = 6,669.01/x
  3. Step 3: Cross multiply
    15,434.11x = 23,160.39 × 6,669.01
  4. Step 4: Simplify right side
    15,434.11x = 154,456,872.51
  5. Step 5: Solve for x
    x = 154,456,872.51/15,434.11
  6. Step 6: Final answer
    x = 10,007.50

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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.