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Finding the Fourth Proportional to 59,898.67, 89,858.76 and 20,446.56

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Solution

The fourth proportional to 59,898.67, 89,858.76 and 20,446.56 is: 30,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,898.67 : 89,858.76 = 20,446.56 : x
  2. Step 2: Convert to fraction form
    59,898.67/89,858.76 = 20,446.56/x
  3. Step 3: Cross multiply
    59,898.67x = 89,858.76 × 20,446.56
  4. Step 4: Simplify right side
    59,898.67x = 1,837,302,078.57
  5. Step 5: Solve for x
    x = 1,837,302,078.57/59,898.67
  6. Step 6: Final answer
    x = 30,673.50

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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.