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Finding the Fourth Proportional to 15,006.40, 22,504.20 and 7,608.40

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Solution

The fourth proportional to 15,006.40, 22,504.20 and 7,608.40 is: 11,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.40 : 22,504.20 = 7,608.40 : x
  2. Step 2: Convert to fraction form
    15,006.40/22,504.20 = 7,608.40/x
  3. Step 3: Cross multiply
    15,006.40x = 22,504.20 × 7,608.40
  4. Step 4: Simplify right side
    15,006.40x = 171,220,955.28
  5. Step 5: Solve for x
    x = 171,220,955.28/15,006.40
  6. Step 6: Final answer
    x = 11,409.86

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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.