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Finding the Fourth Proportional to 10,693,700.80, 16,044,487.80 and 3,505,469.20

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Solution

The fourth proportional to 10,693,700.80, 16,044,487.80 and 3,505,469.20 is: 5,259,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,700.80 : 16,044,487.80 = 3,505,469.20 : x
  2. Step 2: Convert to fraction form
    10,693,700.80/16,044,487.80 = 3,505,469.20/x
  3. Step 3: Cross multiply
    10,693,700.80x = 16,044,487.80 × 3,505,469.20
  4. Step 4: Simplify right side
    10,693,700.80x = 56,243,457,812,675.77
  5. Step 5: Solve for x
    x = 56,243,457,812,675.77/10,693,700.80
  6. Step 6: Final answer
    x = 5,259,494.24

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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.