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Finding the Fourth Proportional to 59,641.62, 89,406.81 and 20,171.27

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Solution

The fourth proportional to 59,641.62, 89,406.81 and 20,171.27 is: 30,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,641.62 : 89,406.81 = 20,171.27 : x
  2. Step 2: Convert to fraction form
    59,641.62/89,406.81 = 20,171.27/x
  3. Step 3: Cross multiply
    59,641.62x = 89,406.81 × 20,171.27
  4. Step 4: Simplify right side
    59,641.62x = 1,803,448,457.31
  5. Step 5: Solve for x
    x = 1,803,448,457.31/59,641.62
  6. Step 6: Final answer
    x = 30,238.09

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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.