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Finding the Fourth Proportional to 64,453.40, 96,680.10 and 63,578.60

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Solution

The fourth proportional to 64,453.40, 96,680.10 and 63,578.60 is: 95,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,453.40 : 96,680.10 = 63,578.60 : x
  2. Step 2: Convert to fraction form
    64,453.40/96,680.10 = 63,578.60/x
  3. Step 3: Cross multiply
    64,453.40x = 96,680.10 × 63,578.60
  4. Step 4: Simplify right side
    64,453.40x = 6,146,785,405.86
  5. Step 5: Solve for x
    x = 6,146,785,405.86/64,453.40
  6. Step 6: Final answer
    x = 95,367.90

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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.