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Finding the Fourth Proportional to 8,348.76, 11,521.16 and 4,571.89

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Solution

The fourth proportional to 8,348.76, 11,521.16 and 4,571.89 is: 6,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.76 : 11,521.16 = 4,571.89 : x
  2. Step 2: Convert to fraction form
    8,348.76/11,521.16 = 4,571.89/x
  3. Step 3: Cross multiply
    8,348.76x = 11,521.16 × 4,571.89
  4. Step 4: Simplify right side
    8,348.76x = 52,673,519.34
  5. Step 5: Solve for x
    x = 52,673,519.34/8,348.76
  6. Step 6: Final answer
    x = 6,309.14

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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.