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Finding the Fourth Proportional to 11,334.66, 15,644.91 and 7,355.53

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Solution

The fourth proportional to 11,334.66, 15,644.91 and 7,355.53 is: 10,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.66 : 15,644.91 = 7,355.53 : x
  2. Step 2: Convert to fraction form
    11,334.66/15,644.91 = 7,355.53/x
  3. Step 3: Cross multiply
    11,334.66x = 15,644.91 × 7,355.53
  4. Step 4: Simplify right side
    11,334.66x = 115,076,604.85
  5. Step 5: Solve for x
    x = 115,076,604.85/11,334.66
  6. Step 6: Final answer
    x = 10,152.63

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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.