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Finding the Fourth Proportional to 11,585.56, 17,397.56 and 7,230.70

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Solution

The fourth proportional to 11,585.56, 17,397.56 and 7,230.70 is: 10,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.56 : 17,397.56 = 7,230.70 : x
  2. Step 2: Convert to fraction form
    11,585.56/17,397.56 = 7,230.70/x
  3. Step 3: Cross multiply
    11,585.56x = 17,397.56 × 7,230.70
  4. Step 4: Simplify right side
    11,585.56x = 125,796,537.09
  5. Step 5: Solve for x
    x = 125,796,537.09/11,585.56
  6. Step 6: Final answer
    x = 10,858.05

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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.