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Finding the Fourth Proportional to 34,182.72, 47,176.47 and 19,839.49

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Solution

The fourth proportional to 34,182.72, 47,176.47 and 19,839.49 is: 27,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,182.72 : 47,176.47 = 19,839.49 : x
  2. Step 2: Convert to fraction form
    34,182.72/47,176.47 = 19,839.49/x
  3. Step 3: Cross multiply
    34,182.72x = 47,176.47 × 19,839.49
  4. Step 4: Simplify right side
    34,182.72x = 935,956,986.86
  5. Step 5: Solve for x
    x = 935,956,986.86/34,182.72
  6. Step 6: Final answer
    x = 27,381.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.