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Finding the Fourth Proportional to 66,858.08, 100,292.16 and 22,484.96

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Solution

The fourth proportional to 66,858.08, 100,292.16 and 22,484.96 is: 33,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,858.08 : 100,292.16 = 22,484.96 : x
  2. Step 2: Convert to fraction form
    66,858.08/100,292.16 = 22,484.96/x
  3. Step 3: Cross multiply
    66,858.08x = 100,292.16 × 22,484.96
  4. Step 4: Simplify right side
    66,858.08x = 2,255,065,205.91
  5. Step 5: Solve for x
    x = 2,255,065,205.91/66,858.08
  6. Step 6: Final answer
    x = 33,729.13

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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.