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Finding the Fourth Proportional to 11,588.67, 15,976.71 and 9,060.93

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Solution

The fourth proportional to 11,588.67, 15,976.71 and 9,060.93 is: 12,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.67 : 15,976.71 = 9,060.93 : x
  2. Step 2: Convert to fraction form
    11,588.67/15,976.71 = 9,060.93/x
  3. Step 3: Cross multiply
    11,588.67x = 15,976.71 × 9,060.93
  4. Step 4: Simplify right side
    11,588.67x = 144,763,850.94
  5. Step 5: Solve for x
    x = 144,763,850.94/11,588.67
  6. Step 6: Final answer
    x = 12,491.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.