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Finding the Fourth Proportional to 5,697,861.71, 7,863,045.54 and 3,119,541.80

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Solution

The fourth proportional to 5,697,861.71, 7,863,045.54 and 3,119,541.80 is: 4,304,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697,861.71 : 7,863,045.54 = 3,119,541.80 : x
  2. Step 2: Convert to fraction form
    5,697,861.71/7,863,045.54 = 3,119,541.80/x
  3. Step 3: Cross multiply
    5,697,861.71x = 7,863,045.54 × 3,119,541.80
  4. Step 4: Simplify right side
    5,697,861.71x = 24,529,099,237,333.57
  5. Step 5: Solve for x
    x = 24,529,099,237,333.57/5,697,861.71
  6. Step 6: Final answer
    x = 4,304,965.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.