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Finding the Fourth Proportional to 15,969.56, 22,037.99 and 9,259.08

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Solution

The fourth proportional to 15,969.56, 22,037.99 and 9,259.08 is: 12,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.56 : 22,037.99 = 9,259.08 : x
  2. Step 2: Convert to fraction form
    15,969.56/22,037.99 = 9,259.08/x
  3. Step 3: Cross multiply
    15,969.56x = 22,037.99 × 9,259.08
  4. Step 4: Simplify right side
    15,969.56x = 204,051,466.15
  5. Step 5: Solve for x
    x = 204,051,466.15/15,969.56
  6. Step 6: Final answer
    x = 12,777.53

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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.