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Finding the Fourth Proportional to 55,369.91, 83,068.07 and 17,930.02

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Solution

The fourth proportional to 55,369.91, 83,068.07 and 17,930.02 is: 26,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369.91 : 83,068.07 = 17,930.02 : x
  2. Step 2: Convert to fraction form
    55,369.91/83,068.07 = 17,930.02/x
  3. Step 3: Cross multiply
    55,369.91x = 83,068.07 × 17,930.02
  4. Step 4: Simplify right side
    55,369.91x = 1,489,411,948.79
  5. Step 5: Solve for x
    x = 1,489,411,948.79/55,369.91
  6. Step 6: Final answer
    x = 26,899.30

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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.