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Finding the Fourth Proportional to 11,495.16, 17,243.88 and 4,475.70

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Solution

The fourth proportional to 11,495.16, 17,243.88 and 4,475.70 is: 6,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.16 : 17,243.88 = 4,475.70 : x
  2. Step 2: Convert to fraction form
    11,495.16/17,243.88 = 4,475.70/x
  3. Step 3: Cross multiply
    11,495.16x = 17,243.88 × 4,475.70
  4. Step 4: Simplify right side
    11,495.16x = 77,178,433.72
  5. Step 5: Solve for x
    x = 77,178,433.72/11,495.16
  6. Step 6: Final answer
    x = 6,713.99

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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.