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Finding the Fourth Proportional to 29,805.81, 44,715.63 and 8,745.00

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Solution

The fourth proportional to 29,805.81, 44,715.63 and 8,745.00 is: 13,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,805.81 : 44,715.63 = 8,745.00 : x
  2. Step 2: Convert to fraction form
    29,805.81/44,715.63 = 8,745.00/x
  3. Step 3: Cross multiply
    29,805.81x = 44,715.63 × 8,745.00
  4. Step 4: Simplify right side
    29,805.81x = 391,037,917.05
  5. Step 5: Solve for x
    x = 391,037,917.05/29,805.81
  6. Step 6: Final answer
    x = 13,119.52

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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.