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Finding the Fourth Proportional to 64,245.20, 96,384.60 and 24,803.60

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Solution

The fourth proportional to 64,245.20, 96,384.60 and 24,803.60 is: 37,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.20 : 96,384.60 = 24,803.60 : x
  2. Step 2: Convert to fraction form
    64,245.20/96,384.60 = 24,803.60/x
  3. Step 3: Cross multiply
    64,245.20x = 96,384.60 × 24,803.60
  4. Step 4: Simplify right side
    64,245.20x = 2,390,685,064.56
  5. Step 5: Solve for x
    x = 2,390,685,064.56/64,245.20
  6. Step 6: Final answer
    x = 37,211.89

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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.