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Finding the Fourth Proportional to 41,091.86, 61,637.88 and 9,927.12

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Solution

The fourth proportional to 41,091.86, 61,637.88 and 9,927.12 is: 14,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,091.86 : 61,637.88 = 9,927.12 : x
  2. Step 2: Convert to fraction form
    41,091.86/61,637.88 = 9,927.12/x
  3. Step 3: Cross multiply
    41,091.86x = 61,637.88 × 9,927.12
  4. Step 4: Simplify right side
    41,091.86x = 611,886,631.31
  5. Step 5: Solve for x
    x = 611,886,631.31/41,091.86
  6. Step 6: Final answer
    x = 14,890.70

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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.