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Finding the Fourth Proportional to 66,886.08, 100,334.16 and 22,512.96

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Solution

The fourth proportional to 66,886.08, 100,334.16 and 22,512.96 is: 33,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.08 : 100,334.16 = 22,512.96 : x
  2. Step 2: Convert to fraction form
    66,886.08/100,334.16 = 22,512.96/x
  3. Step 3: Cross multiply
    66,886.08x = 100,334.16 × 22,512.96
  4. Step 4: Simplify right side
    66,886.08x = 2,258,818,930.71
  5. Step 5: Solve for x
    x = 2,258,818,930.71/66,886.08
  6. Step 6: Final answer
    x = 33,771.14

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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.