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Finding the Fourth Proportional to 9,655,687.40, 14,494,590.30 and 5,668,845.80

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Solution

The fourth proportional to 9,655,687.40, 14,494,590.30 and 5,668,845.80 is: 8,509,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655,687.40 : 14,494,590.30 = 5,668,845.80 : x
  2. Step 2: Convert to fraction form
    9,655,687.40/14,494,590.30 = 5,668,845.80/x
  3. Step 3: Cross multiply
    9,655,687.40x = 14,494,590.30 × 5,668,845.80
  4. Step 4: Simplify right side
    9,655,687.40x = 82,167,597,344,875.73
  5. Step 5: Solve for x
    x = 82,167,597,344,875.73/9,655,687.40
  6. Step 6: Final answer
    x = 8,509,761.55

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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.