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Finding the Fourth Proportional to 8,219.16, 11,347.71 and 7,333.41

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Solution

The fourth proportional to 8,219.16, 11,347.71 and 7,333.41 is: 10,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.16 : 11,347.71 = 7,333.41 : x
  2. Step 2: Convert to fraction form
    8,219.16/11,347.71 = 7,333.41/x
  3. Step 3: Cross multiply
    8,219.16x = 11,347.71 × 7,333.41
  4. Step 4: Simplify right side
    8,219.16x = 83,217,409.99
  5. Step 5: Solve for x
    x = 83,217,409.99/8,219.16
  6. Step 6: Final answer
    x = 10,124.81

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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.