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Finding the Fourth Proportional to 15,773.50, 21,767.38 and 9,059.56

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Solution

The fourth proportional to 15,773.50, 21,767.38 and 9,059.56 is: 12,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773.50 : 21,767.38 = 9,059.56 : x
  2. Step 2: Convert to fraction form
    15,773.50/21,767.38 = 9,059.56/x
  3. Step 3: Cross multiply
    15,773.50x = 21,767.38 × 9,059.56
  4. Step 4: Simplify right side
    15,773.50x = 197,202,776.32
  5. Step 5: Solve for x
    x = 197,202,776.32/15,773.50
  6. Step 6: Final answer
    x = 12,502.16

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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.