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Finding the Fourth Proportional to 32,260, 48,390 and 10,372

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Solution

The fourth proportional to 32,260, 48,390 and 10,372 is: 15,558

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,260 : 48,390 = 10,372 : x
  2. Step 2: Convert to fraction form
    32,260/48,390 = 10,372/x
  3. Step 3: Cross multiply
    32,260x = 48,390 × 10,372
  4. Step 4: Simplify right side
    32,260x = 501,901,080
  5. Step 5: Solve for x
    x = 501,901,080/32,260
  6. Step 6: Final answer
    x = 15,558

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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.