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Finding the Fourth Proportional to 17,869,214.40, 26,814,902.40 and 9,355,660.80

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Solution

The fourth proportional to 17,869,214.40, 26,814,902.40 and 9,355,660.80 is: 14,039,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869,214.40 : 26,814,902.40 = 9,355,660.80 : x
  2. Step 2: Convert to fraction form
    17,869,214.40/26,814,902.40 = 9,355,660.80/x
  3. Step 3: Cross multiply
    17,869,214.40x = 26,814,902.40 × 9,355,660.80
  4. Step 4: Simplify right side
    17,869,214.40x = 250,871,131,239,505.94
  5. Step 5: Solve for x
    x = 250,871,131,239,505.94/17,869,214.40
  6. Step 6: Final answer
    x = 14,039,292.70

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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.