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Finding the Fourth Proportional to 35,068.80, 52,517.52 and 18,442.80

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Solution

The fourth proportional to 35,068.80, 52,517.52 and 18,442.80 is: 27,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,068.80 : 52,517.52 = 18,442.80 : x
  2. Step 2: Convert to fraction form
    35,068.80/52,517.52 = 18,442.80/x
  3. Step 3: Cross multiply
    35,068.80x = 52,517.52 × 18,442.80
  4. Step 4: Simplify right side
    35,068.80x = 968,570,117.86
  5. Step 5: Solve for x
    x = 968,570,117.86/35,068.80
  6. Step 6: Final answer
    x = 27,619.14

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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.