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Finding the Fourth Proportional to 44,412.75, 66,619.13 and 11,580.75

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Solution

The fourth proportional to 44,412.75, 66,619.13 and 11,580.75 is: 17,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,412.75 : 66,619.13 = 11,580.75 : x
  2. Step 2: Convert to fraction form
    44,412.75/66,619.13 = 11,580.75/x
  3. Step 3: Cross multiply
    44,412.75x = 66,619.13 × 11,580.75
  4. Step 4: Simplify right side
    44,412.75x = 771,499,431.84
  5. Step 5: Solve for x
    x = 771,499,431.84/44,412.75
  6. Step 6: Final answer
    x = 17,371.13

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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.