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Finding the Fourth Proportional to 4,611,103.08, 6,919,048.31 and 1,880,653.65

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Solution

The fourth proportional to 4,611,103.08, 6,919,048.31 and 1,880,653.65 is: 2,821,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611,103.08 : 6,919,048.31 = 1,880,653.65 : x
  2. Step 2: Convert to fraction form
    4,611,103.08/6,919,048.31 = 1,880,653.65/x
  3. Step 3: Cross multiply
    4,611,103.08x = 6,919,048.31 × 1,880,653.65
  4. Step 4: Simplify right side
    4,611,103.08x = 13,012,333,423,378.13
  5. Step 5: Solve for x
    x = 13,012,333,423,378.13/4,611,103.08
  6. Step 6: Final answer
    x = 2,821,956.74

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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.