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Finding the Fourth Proportional to 32,807,541.20, 49,211,311.80 and 21,482,920.40

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Solution

The fourth proportional to 32,807,541.20, 49,211,311.80 and 21,482,920.40 is: 32,224,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,807,541.20 : 49,211,311.80 = 21,482,920.40 : x
  2. Step 2: Convert to fraction form
    32,807,541.20/49,211,311.80 = 21,482,920.40/x
  3. Step 3: Cross multiply
    32,807,541.20x = 49,211,311.80 × 21,482,920.40
  4. Step 4: Simplify right side
    32,807,541.20x = 1,057,202,694,178,980.62
  5. Step 5: Solve for x
    x = 1,057,202,694,178,980.62/32,807,541.20
  6. Step 6: Final answer
    x = 32,224,380.60

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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.