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Finding the Fourth Proportional to 8,346.03, 11,519.46 and 4,990.89

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Solution

The fourth proportional to 8,346.03, 11,519.46 and 4,990.89 is: 6,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.03 : 11,519.46 = 4,990.89 : x
  2. Step 2: Convert to fraction form
    8,346.03/11,519.46 = 4,990.89/x
  3. Step 3: Cross multiply
    8,346.03x = 11,519.46 × 4,990.89
  4. Step 4: Simplify right side
    8,346.03x = 57,492,357.72
  5. Step 5: Solve for x
    x = 57,492,357.72/8,346.03
  6. Step 6: Final answer
    x = 6,888.59

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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.