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Finding the Fourth Proportional to 35,190.40, 52,670.40 and 27,356.80

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Solution

The fourth proportional to 35,190.40, 52,670.40 and 27,356.80 is: 40,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,190.40 : 52,670.40 = 27,356.80 : x
  2. Step 2: Convert to fraction form
    35,190.40/52,670.40 = 27,356.80/x
  3. Step 3: Cross multiply
    35,190.40x = 52,670.40 × 27,356.80
  4. Step 4: Simplify right side
    35,190.40x = 1,440,893,598.72
  5. Step 5: Solve for x
    x = 1,440,893,598.72/35,190.40
  6. Step 6: Final answer
    x = 40,945.64

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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.