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Finding the Fourth Proportional to 59,358.32, 89,022.90 and 19,914.56

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Solution

The fourth proportional to 59,358.32, 89,022.90 and 19,914.56 is: 29,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,358.32 : 89,022.90 = 19,914.56 : x
  2. Step 2: Convert to fraction form
    59,358.32/89,022.90 = 19,914.56/x
  3. Step 3: Cross multiply
    59,358.32x = 89,022.90 × 19,914.56
  4. Step 4: Simplify right side
    59,358.32x = 1,772,851,883.42
  5. Step 5: Solve for x
    x = 1,772,851,883.42/59,358.32
  6. Step 6: Final answer
    x = 29,866.95

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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.