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Finding the Fourth Proportional to 66,903.37, 100,284.80 and 22,514.72

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Solution

The fourth proportional to 66,903.37, 100,284.80 and 22,514.72 is: 33,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,903.37 : 100,284.80 = 22,514.72 : x
  2. Step 2: Convert to fraction form
    66,903.37/100,284.80 = 22,514.72/x
  3. Step 3: Cross multiply
    66,903.37x = 100,284.80 × 22,514.72
  4. Step 4: Simplify right side
    66,903.37x = 2,257,883,578.26
  5. Step 5: Solve for x
    x = 2,257,883,578.26/66,903.37
  6. Step 6: Final answer
    x = 33,748.43

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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.