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Finding the Fourth Proportional to 66,293.34, 99,458.58 and 21,951.30

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Solution

The fourth proportional to 66,293.34, 99,458.58 and 21,951.30 is: 32,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,293.34 : 99,458.58 = 21,951.30 : x
  2. Step 2: Convert to fraction form
    66,293.34/99,458.58 = 21,951.30/x
  3. Step 3: Cross multiply
    66,293.34x = 99,458.58 × 21,951.30
  4. Step 4: Simplify right side
    66,293.34x = 2,183,245,582.44
  5. Step 5: Solve for x
    x = 2,183,245,582.44/66,293.34
  6. Step 6: Final answer
    x = 32,933.11

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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.