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Finding the Fourth Proportional to 66,608.40, 99,903.48 and 22,234.14

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Solution

The fourth proportional to 66,608.40, 99,903.48 and 22,234.14 is: 33,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,608.40 : 99,903.48 = 22,234.14 : x
  2. Step 2: Convert to fraction form
    66,608.40/99,903.48 = 22,234.14/x
  3. Step 3: Cross multiply
    66,608.40x = 99,903.48 × 22,234.14
  4. Step 4: Simplify right side
    66,608.40x = 2,221,267,960.81
  5. Step 5: Solve for x
    x = 2,221,267,960.81/66,608.40
  6. Step 6: Final answer
    x = 33,348.17

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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.