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Finding the Fourth Proportional to 7,904.99, 11,859.62 and 2,358.32

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Solution

The fourth proportional to 7,904.99, 11,859.62 and 2,358.32 is: 3,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.99 : 11,859.62 = 2,358.32 : x
  2. Step 2: Convert to fraction form
    7,904.99/11,859.62 = 2,358.32/x
  3. Step 3: Cross multiply
    7,904.99x = 11,859.62 × 2,358.32
  4. Step 4: Simplify right side
    7,904.99x = 27,968,707.95
  5. Step 5: Solve for x
    x = 27,968,707.95/7,904.99
  6. Step 6: Final answer
    x = 3,538.11

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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.