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Finding the Fourth Proportional to 51,697.29, 71,333.67 and 30,473.67

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Solution

The fourth proportional to 51,697.29, 71,333.67 and 30,473.67 is: 42,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,697.29 : 71,333.67 = 30,473.67 : x
  2. Step 2: Convert to fraction form
    51,697.29/71,333.67 = 30,473.67/x
  3. Step 3: Cross multiply
    51,697.29x = 71,333.67 × 30,473.67
  4. Step 4: Simplify right side
    51,697.29x = 2,173,798,719.47
  5. Step 5: Solve for x
    x = 2,173,798,719.47/51,697.29
  6. Step 6: Final answer
    x = 42,048.60

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Why These Related Problems?

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