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Finding the Fourth Proportional to 11,710.77, 17,578.53 and 11,446.35

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Solution

The fourth proportional to 11,710.77, 17,578.53 and 11,446.35 is: 17,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.77 : 17,578.53 = 11,446.35 : x
  2. Step 2: Convert to fraction form
    11,710.77/17,578.53 = 11,446.35/x
  3. Step 3: Cross multiply
    11,710.77x = 17,578.53 × 11,446.35
  4. Step 4: Simplify right side
    11,710.77x = 201,210,006.87
  5. Step 5: Solve for x
    x = 201,210,006.87/11,710.77
  6. Step 6: Final answer
    x = 17,181.62

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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.