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Finding the Fourth Proportional to 41,263.63, 61,898.88 and 13,187.68

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Solution

The fourth proportional to 41,263.63, 61,898.88 and 13,187.68 is: 19,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,263.63 : 61,898.88 = 13,187.68 : x
  2. Step 2: Convert to fraction form
    41,263.63/61,898.88 = 13,187.68/x
  3. Step 3: Cross multiply
    41,263.63x = 61,898.88 × 13,187.68
  4. Step 4: Simplify right side
    41,263.63x = 816,302,516.50
  5. Step 5: Solve for x
    x = 816,302,516.50/41,263.63
  6. Step 6: Final answer
    x = 19,782.62

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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.