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Finding the Fourth Proportional to 10,393.94, 15,563.22 and 9,065.34

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Solution

The fourth proportional to 10,393.94, 15,563.22 and 9,065.34 is: 13,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.94 : 15,563.22 = 9,065.34 : x
  2. Step 2: Convert to fraction form
    10,393.94/15,563.22 = 9,065.34/x
  3. Step 3: Cross multiply
    10,393.94x = 15,563.22 × 9,065.34
  4. Step 4: Simplify right side
    10,393.94x = 141,085,880.79
  5. Step 5: Solve for x
    x = 141,085,880.79/10,393.94
  6. Step 6: Final answer
    x = 13,573.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.