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Finding the Fourth Proportional to 66,947.16, 100,416.62 and 27,503.25

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Solution

The fourth proportional to 66,947.16, 100,416.62 and 27,503.25 is: 41,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,947.16 : 100,416.62 = 27,503.25 : x
  2. Step 2: Convert to fraction form
    66,947.16/100,416.62 = 27,503.25/x
  3. Step 3: Cross multiply
    66,947.16x = 100,416.62 × 27,503.25
  4. Step 4: Simplify right side
    66,947.16x = 2,761,783,266.50
  5. Step 5: Solve for x
    x = 2,761,783,266.50/66,947.16
  6. Step 6: Final answer
    x = 41,253.18

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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.