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Finding the Fourth Proportional to 29,399.20, 44,047.60 and 19,005.60

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Solution

The fourth proportional to 29,399.20, 44,047.60 and 19,005.60 is: 28,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.20 : 44,047.60 = 19,005.60 : x
  2. Step 2: Convert to fraction form
    29,399.20/44,047.60 = 19,005.60/x
  3. Step 3: Cross multiply
    29,399.20x = 44,047.60 × 19,005.60
  4. Step 4: Simplify right side
    29,399.20x = 837,151,066.56
  5. Step 5: Solve for x
    x = 837,151,066.56/29,399.20
  6. Step 6: Final answer
    x = 28,475.30

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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.