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Finding the Fourth Proportional to 7,432.56, 11,150.28 and 3,973.68

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Solution

The fourth proportional to 7,432.56, 11,150.28 and 3,973.68 is: 5,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.56 : 11,150.28 = 3,973.68 : x
  2. Step 2: Convert to fraction form
    7,432.56/11,150.28 = 3,973.68/x
  3. Step 3: Cross multiply
    7,432.56x = 11,150.28 × 3,973.68
  4. Step 4: Simplify right side
    7,432.56x = 44,307,644.63
  5. Step 5: Solve for x
    x = 44,307,644.63/7,432.56
  6. Step 6: Final answer
    x = 5,961.29

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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.