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Finding the Fourth Proportional to 10,375.96, 15,560.52 and 3,354.32

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Solution

The fourth proportional to 10,375.96, 15,560.52 and 3,354.32 is: 5,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.96 : 15,560.52 = 3,354.32 : x
  2. Step 2: Convert to fraction form
    10,375.96/15,560.52 = 3,354.32/x
  3. Step 3: Cross multiply
    10,375.96x = 15,560.52 × 3,354.32
  4. Step 4: Simplify right side
    10,375.96x = 52,194,963.45
  5. Step 5: Solve for x
    x = 52,194,963.45/10,375.96
  6. Step 6: Final answer
    x = 5,030.37

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1.5x scale

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.