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Finding the Fourth Proportional to 11,618.99, 17,491.71 and 10,585.64

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Solution

The fourth proportional to 11,618.99, 17,491.71 and 10,585.64 is: 15,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.99 : 17,491.71 = 10,585.64 : x
  2. Step 2: Convert to fraction form
    11,618.99/17,491.71 = 10,585.64/x
  3. Step 3: Cross multiply
    11,618.99x = 17,491.71 × 10,585.64
  4. Step 4: Simplify right side
    11,618.99x = 185,160,930.08
  5. Step 5: Solve for x
    x = 185,160,930.08/11,618.99
  6. Step 6: Final answer
    x = 15,936.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.