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Finding the Fourth Proportional to 15,002.41, 20,705.09 and 9,037.09

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Solution

The fourth proportional to 15,002.41, 20,705.09 and 9,037.09 is: 12,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.41 : 20,705.09 = 9,037.09 : x
  2. Step 2: Convert to fraction form
    15,002.41/20,705.09 = 9,037.09/x
  3. Step 3: Cross multiply
    15,002.41x = 20,705.09 × 9,037.09
  4. Step 4: Simplify right side
    15,002.41x = 187,113,716.60
  5. Step 5: Solve for x
    x = 187,113,716.60/15,002.41
  6. Step 6: Final answer
    x = 12,472.24

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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.