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Finding the Fourth Proportional to 59,410.45, 89,112.43 and 19,963.45

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Solution

The fourth proportional to 59,410.45, 89,112.43 and 19,963.45 is: 29,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,410.45 : 89,112.43 = 19,963.45 : x
  2. Step 2: Convert to fraction form
    59,410.45/89,112.43 = 19,963.45/x
  3. Step 3: Cross multiply
    59,410.45x = 89,112.43 × 19,963.45
  4. Step 4: Simplify right side
    59,410.45x = 1,778,991,540.68
  5. Step 5: Solve for x
    x = 1,778,991,540.68/59,410.45
  6. Step 6: Final answer
    x = 29,944.08

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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.