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Finding the Fourth Proportional to 10,060.12, 13,881.74 and 5,811.12

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Solution

The fourth proportional to 10,060.12, 13,881.74 and 5,811.12 is: 8,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.12 : 13,881.74 = 5,811.12 : x
  2. Step 2: Convert to fraction form
    10,060.12/13,881.74 = 5,811.12/x
  3. Step 3: Cross multiply
    10,060.12x = 13,881.74 × 5,811.12
  4. Step 4: Simplify right side
    10,060.12x = 80,668,456.95
  5. Step 5: Solve for x
    x = 80,668,456.95/10,060.12
  6. Step 6: Final answer
    x = 8,018.64

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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.