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Finding the Fourth Proportional to 14,965,793.20, 22,448,689.80 and 5,381,484.40

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Solution

The fourth proportional to 14,965,793.20, 22,448,689.80 and 5,381,484.40 is: 8,072,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965,793.20 : 22,448,689.80 = 5,381,484.40 : x
  2. Step 2: Convert to fraction form
    14,965,793.20/22,448,689.80 = 5,381,484.40/x
  3. Step 3: Cross multiply
    14,965,793.20x = 22,448,689.80 × 5,381,484.40
  4. Step 4: Simplify right side
    14,965,793.20x = 120,807,273,959,139.12
  5. Step 5: Solve for x
    x = 120,807,273,959,139.12/14,965,793.20
  6. Step 6: Final answer
    x = 8,072,226.60

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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.