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Finding the Fourth Proportional to 53,493.40, 80,240.10 and 46,932.40

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Solution

The fourth proportional to 53,493.40, 80,240.10 and 46,932.40 is: 70,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,493.40 : 80,240.10 = 46,932.40 : x
  2. Step 2: Convert to fraction form
    53,493.40/80,240.10 = 46,932.40/x
  3. Step 3: Cross multiply
    53,493.40x = 80,240.10 × 46,932.40
  4. Step 4: Simplify right side
    53,493.40x = 3,765,860,469.24
  5. Step 5: Solve for x
    x = 3,765,860,469.24/53,493.40
  6. Step 6: Final answer
    x = 70,398.60

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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.