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Finding the Fourth Proportional to 64,630.20, 96,714.90 and 44,815.80

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Solution

The fourth proportional to 64,630.20, 96,714.90 and 44,815.80 is: 67,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.20 : 96,714.90 = 44,815.80 : x
  2. Step 2: Convert to fraction form
    64,630.20/96,714.90 = 44,815.80/x
  3. Step 3: Cross multiply
    64,630.20x = 96,714.90 × 44,815.80
  4. Step 4: Simplify right side
    64,630.20x = 4,334,355,615.42
  5. Step 5: Solve for x
    x = 4,334,355,615.42/64,630.20
  6. Step 6: Final answer
    x = 67,063.94

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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.