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Finding the Fourth Proportional to 17,007.16, 25,486 and 7,507.92

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Solution

The fourth proportional to 17,007.16, 25,486 and 7,507.92 is: 11,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.16 : 25,486 = 7,507.92 : x
  2. Step 2: Convert to fraction form
    17,007.16/25,486 = 7,507.92/x
  3. Step 3: Cross multiply
    17,007.16x = 25,486 × 7,507.92
  4. Step 4: Simplify right side
    17,007.16x = 191,346,849.12
  5. Step 5: Solve for x
    x = 191,346,849.12/17,007.16
  6. Step 6: Final answer
    x = 11,250.96

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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.