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Finding the Fourth Proportional to 9,366,885.60, 14,051,640.60 and 3,975,493.20

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Solution

The fourth proportional to 9,366,885.60, 14,051,640.60 and 3,975,493.20 is: 5,963,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366,885.60 : 14,051,640.60 = 3,975,493.20 : x
  2. Step 2: Convert to fraction form
    9,366,885.60/14,051,640.60 = 3,975,493.20/x
  3. Step 3: Cross multiply
    9,366,885.60x = 14,051,640.60 × 3,975,493.20
  4. Step 4: Simplify right side
    9,366,885.60x = 55,862,201,654,143.92
  5. Step 5: Solve for x
    x = 55,862,201,654,143.92/9,366,885.60
  6. Step 6: Final answer
    x = 5,963,796.72

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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.