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Finding the Fourth Proportional to 35,078.61, 52,619.74 and 17,542.52

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Solution

The fourth proportional to 35,078.61, 52,619.74 and 17,542.52 is: 26,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.61 : 52,619.74 = 17,542.52 : x
  2. Step 2: Convert to fraction form
    35,078.61/52,619.74 = 17,542.52/x
  3. Step 3: Cross multiply
    35,078.61x = 52,619.74 × 17,542.52
  4. Step 4: Simplify right side
    35,078.61x = 923,082,534.39
  5. Step 5: Solve for x
    x = 923,082,534.39/35,078.61
  6. Step 6: Final answer
    x = 26,314.68

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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.