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Finding the Fourth Proportional to 70,893.01, 97,846.50 and 40,698.73

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Solution

The fourth proportional to 70,893.01, 97,846.50 and 40,698.73 is: 56,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893.01 : 97,846.50 = 40,698.73 : x
  2. Step 2: Convert to fraction form
    70,893.01/97,846.50 = 40,698.73/x
  3. Step 3: Cross multiply
    70,893.01x = 97,846.50 × 40,698.73
  4. Step 4: Simplify right side
    70,893.01x = 3,982,228,284.95
  5. Step 5: Solve for x
    x = 3,982,228,284.95/70,893.01
  6. Step 6: Final answer
    x = 56,172.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.