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Finding the Fourth Proportional to 30,034.41, 45,052.76 and 8,974.74

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Solution

The fourth proportional to 30,034.41, 45,052.76 and 8,974.74 is: 13,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,034.41 : 45,052.76 = 8,974.74 : x
  2. Step 2: Convert to fraction form
    30,034.41/45,052.76 = 8,974.74/x
  3. Step 3: Cross multiply
    30,034.41x = 45,052.76 × 8,974.74
  4. Step 4: Simplify right side
    30,034.41x = 404,336,807.28
  5. Step 5: Solve for x
    x = 404,336,807.28/30,034.41
  6. Step 6: Final answer
    x = 13,462.45

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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.