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Finding the Fourth Proportional to 66,894.08, 100,346.16 and 22,520.96

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Solution

The fourth proportional to 66,894.08, 100,346.16 and 22,520.96 is: 33,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,894.08 : 100,346.16 = 22,520.96 : x
  2. Step 2: Convert to fraction form
    66,894.08/100,346.16 = 22,520.96/x
  3. Step 3: Cross multiply
    66,894.08x = 100,346.16 × 22,520.96
  4. Step 4: Simplify right side
    66,894.08x = 2,259,891,855.51
  5. Step 5: Solve for x
    x = 2,259,891,855.51/66,894.08
  6. Step 6: Final answer
    x = 33,783.14

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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.