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Finding the Fourth Proportional to 7,894.41, 10,899.45 and 6,015.69

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Solution

The fourth proportional to 7,894.41, 10,899.45 and 6,015.69 is: 8,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.41 : 10,899.45 = 6,015.69 : x
  2. Step 2: Convert to fraction form
    7,894.41/10,899.45 = 6,015.69/x
  3. Step 3: Cross multiply
    7,894.41x = 10,899.45 × 6,015.69
  4. Step 4: Simplify right side
    7,894.41x = 65,567,712.37
  5. Step 5: Solve for x
    x = 65,567,712.37/7,894.41
  6. Step 6: Final answer
    x = 8,305.59

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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.