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Finding the Fourth Proportional to 70,649.00, 106,063.46 and 45,793.07

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Solution

The fourth proportional to 70,649.00, 106,063.46 and 45,793.07 is: 68,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,649.00 : 106,063.46 = 45,793.07 : x
  2. Step 2: Convert to fraction form
    70,649.00/106,063.46 = 45,793.07/x
  3. Step 3: Cross multiply
    70,649.00x = 106,063.46 × 45,793.07
  4. Step 4: Simplify right side
    70,649.00x = 4,856,971,078.71
  5. Step 5: Solve for x
    x = 4,856,971,078.71/70,649.00
  6. Step 6: Final answer
    x = 68,747.91

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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.