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Finding the Fourth Proportional to 29,945.68, 44,807.16 and 18,800.24

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Solution

The fourth proportional to 29,945.68, 44,807.16 and 18,800.24 is: 28,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,945.68 : 44,807.16 = 18,800.24 : x
  2. Step 2: Convert to fraction form
    29,945.68/44,807.16 = 18,800.24/x
  3. Step 3: Cross multiply
    29,945.68x = 44,807.16 × 18,800.24
  4. Step 4: Simplify right side
    29,945.68x = 842,385,361.72
  5. Step 5: Solve for x
    x = 842,385,361.72/29,945.68
  6. Step 6: Final answer
    x = 28,130.45

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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.