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Finding the Fourth Proportional to 70,022.08, 96,630.03 and 39,807.41

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Solution

The fourth proportional to 70,022.08, 96,630.03 and 39,807.41 is: 54,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,022.08 : 96,630.03 = 39,807.41 : x
  2. Step 2: Convert to fraction form
    70,022.08/96,630.03 = 39,807.41/x
  3. Step 3: Cross multiply
    70,022.08x = 96,630.03 × 39,807.41
  4. Step 4: Simplify right side
    70,022.08x = 3,846,591,222.52
  5. Step 5: Solve for x
    x = 3,846,591,222.52/70,022.08
  6. Step 6: Final answer
    x = 54,933.98

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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.