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Finding the Fourth Proportional to 12,010.60, 17,992.02 and 9,401.32

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Solution

The fourth proportional to 12,010.60, 17,992.02 and 9,401.32 is: 14,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.60 : 17,992.02 = 9,401.32 : x
  2. Step 2: Convert to fraction form
    12,010.60/17,992.02 = 9,401.32/x
  3. Step 3: Cross multiply
    12,010.60x = 17,992.02 × 9,401.32
  4. Step 4: Simplify right side
    12,010.60x = 169,148,737.47
  5. Step 5: Solve for x
    x = 169,148,737.47/12,010.60
  6. Step 6: Final answer
    x = 14,083.29

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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.