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Finding the Fourth Proportional to 39,465, 54,463.32 and 22,698

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Solution

The fourth proportional to 39,465, 54,463.32 and 22,698 is: 31,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465 : 54,463.32 = 22,698 : x
  2. Step 2: Convert to fraction form
    39,465/54,463.32 = 22,698/x
  3. Step 3: Cross multiply
    39,465x = 54,463.32 × 22,698
  4. Step 4: Simplify right side
    39,465x = 1,236,208,437.36
  5. Step 5: Solve for x
    x = 1,236,208,437.36/39,465
  6. Step 6: Final answer
    x = 31,324.17

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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.