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Finding the Fourth Proportional to 33,689,627.20, 50,534,440.80 and 12,124,932.40

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Solution

The fourth proportional to 33,689,627.20, 50,534,440.80 and 12,124,932.40 is: 18,187,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,689,627.20 : 50,534,440.80 = 12,124,932.40 : x
  2. Step 2: Convert to fraction form
    33,689,627.20/50,534,440.80 = 12,124,932.40/x
  3. Step 3: Cross multiply
    33,689,627.20x = 50,534,440.80 × 12,124,932.40
  4. Step 4: Simplify right side
    33,689,627.20x = 612,726,678,571,801.88
  5. Step 5: Solve for x
    x = 612,726,678,571,801.88/33,689,627.20
  6. Step 6: Final answer
    x = 18,187,398.60

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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.