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Finding the Fourth Proportional to 7,424.52, 10,245.84 and 4,630

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Solution

The fourth proportional to 7,424.52, 10,245.84 and 4,630 is: 6,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.52 : 10,245.84 = 4,630 : x
  2. Step 2: Convert to fraction form
    7,424.52/10,245.84 = 4,630/x
  3. Step 3: Cross multiply
    7,424.52x = 10,245.84 × 4,630
  4. Step 4: Simplify right side
    7,424.52x = 47,438,239.20
  5. Step 5: Solve for x
    x = 47,438,239.20/7,424.52
  6. Step 6: Final answer
    x = 6,389.40

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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.