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Finding the Fourth Proportional to 66,164.16, 99,259.92 and 21,793.62

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Solution

The fourth proportional to 66,164.16, 99,259.92 and 21,793.62 is: 32,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,164.16 : 99,259.92 = 21,793.62 : x
  2. Step 2: Convert to fraction form
    66,164.16/99,259.92 = 21,793.62/x
  3. Step 3: Cross multiply
    66,164.16x = 99,259.92 × 21,793.62
  4. Step 4: Simplify right side
    66,164.16x = 2,163,232,977.71
  5. Step 5: Solve for x
    x = 2,163,232,977.71/66,164.16
  6. Step 6: Final answer
    x = 32,694.94

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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.