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Finding the Fourth Proportional to 15,461.94, 23,199.42 and 7,571.42

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Solution

The fourth proportional to 15,461.94, 23,199.42 and 7,571.42 is: 11,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.94 : 23,199.42 = 7,571.42 : x
  2. Step 2: Convert to fraction form
    15,461.94/23,199.42 = 7,571.42/x
  3. Step 3: Cross multiply
    15,461.94x = 23,199.42 × 7,571.42
  4. Step 4: Simplify right side
    15,461.94x = 175,652,436.58
  5. Step 5: Solve for x
    x = 175,652,436.58/15,461.94
  6. Step 6: Final answer
    x = 11,360.31

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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.