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Finding the Fourth Proportional to 11,572.98, 17,341.26 and 8,946.90

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Solution

The fourth proportional to 11,572.98, 17,341.26 and 8,946.90 is: 13,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.98 : 17,341.26 = 8,946.90 : x
  2. Step 2: Convert to fraction form
    11,572.98/17,341.26 = 8,946.90/x
  3. Step 3: Cross multiply
    11,572.98x = 17,341.26 × 8,946.90
  4. Step 4: Simplify right side
    11,572.98x = 155,150,519.09
  5. Step 5: Solve for x
    x = 155,150,519.09/11,572.98
  6. Step 6: Final answer
    x = 13,406.27

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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.