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Finding the Fourth Proportional to 11,110.10, 16,665.15 and 10,034.90

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Solution

The fourth proportional to 11,110.10, 16,665.15 and 10,034.90 is: 15,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.10 : 16,665.15 = 10,034.90 : x
  2. Step 2: Convert to fraction form
    11,110.10/16,665.15 = 10,034.90/x
  3. Step 3: Cross multiply
    11,110.10x = 16,665.15 × 10,034.90
  4. Step 4: Simplify right side
    11,110.10x = 167,233,113.74
  5. Step 5: Solve for x
    x = 167,233,113.74/11,110.10
  6. Step 6: Final answer
    x = 15,052.35

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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.