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Finding the Fourth Proportional to 11,484.75, 15,848.97 and 6,448.77

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Solution

The fourth proportional to 11,484.75, 15,848.97 and 6,448.77 is: 8,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.75 : 15,848.97 = 6,448.77 : x
  2. Step 2: Convert to fraction form
    11,484.75/15,848.97 = 6,448.77/x
  3. Step 3: Cross multiply
    11,484.75x = 15,848.97 × 6,448.77
  4. Step 4: Simplify right side
    11,484.75x = 102,206,362.27
  5. Step 5: Solve for x
    x = 102,206,362.27/11,484.75
  6. Step 6: Final answer
    x = 8,899.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.