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Finding the Fourth Proportional to 29,443.20, 44,186.40 and 19,579.20

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Solution

The fourth proportional to 29,443.20, 44,186.40 and 19,579.20 is: 29,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.20 : 44,186.40 = 19,579.20 : x
  2. Step 2: Convert to fraction form
    29,443.20/44,186.40 = 19,579.20/x
  3. Step 3: Cross multiply
    29,443.20x = 44,186.40 × 19,579.20
  4. Step 4: Simplify right side
    29,443.20x = 865,134,362.88
  5. Step 5: Solve for x
    x = 865,134,362.88/29,443.20
  6. Step 6: Final answer
    x = 29,383.16

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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.