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Finding the Fourth Proportional to 35,580.82, 53,370.01 and 16,869.82

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Solution

The fourth proportional to 35,580.82, 53,370.01 and 16,869.82 is: 25,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,580.82 : 53,370.01 = 16,869.82 : x
  2. Step 2: Convert to fraction form
    35,580.82/53,370.01 = 16,869.82/x
  3. Step 3: Cross multiply
    35,580.82x = 53,370.01 × 16,869.82
  4. Step 4: Simplify right side
    35,580.82x = 900,342,462.10
  5. Step 5: Solve for x
    x = 900,342,462.10/35,580.82
  6. Step 6: Final answer
    x = 25,304.15

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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.