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Finding the Fourth Proportional to 15,050.56, 20,765.28 and 9,736.96

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Solution

The fourth proportional to 15,050.56, 20,765.28 and 9,736.96 is: 13,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.56 : 20,765.28 = 9,736.96 : x
  2. Step 2: Convert to fraction form
    15,050.56/20,765.28 = 9,736.96/x
  3. Step 3: Cross multiply
    15,050.56x = 20,765.28 × 9,736.96
  4. Step 4: Simplify right side
    15,050.56x = 202,190,700.75
  5. Step 5: Solve for x
    x = 202,190,700.75/15,050.56
  6. Step 6: Final answer
    x = 13,434.10

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1.5x scale

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.