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Finding the Fourth Proportional to 11,805.06, 17,707.74 and 3,039.74

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Solution

The fourth proportional to 11,805.06, 17,707.74 and 3,039.74 is: 4,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.06 : 17,707.74 = 3,039.74 : x
  2. Step 2: Convert to fraction form
    11,805.06/17,707.74 = 3,039.74/x
  3. Step 3: Cross multiply
    11,805.06x = 17,707.74 × 3,039.74
  4. Step 4: Simplify right side
    11,805.06x = 53,826,925.59
  5. Step 5: Solve for x
    x = 53,826,925.59/11,805.06
  6. Step 6: Final answer
    x = 4,559.65

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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.