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Finding the Fourth Proportional to 58,668, 88,016.56 and 17,115.04

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Solution

The fourth proportional to 58,668, 88,016.56 and 17,115.04 is: 25,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,668 : 88,016.56 = 17,115.04 : x
  2. Step 2: Convert to fraction form
    58,668/88,016.56 = 17,115.04/x
  3. Step 3: Cross multiply
    58,668x = 88,016.56 × 17,115.04
  4. Step 4: Simplify right side
    58,668x = 1,506,406,945.06
  5. Step 5: Solve for x
    x = 1,506,406,945.06/58,668
  6. Step 6: Final answer
    x = 25,676.81

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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.