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Finding the Fourth Proportional to 53,650,658.40, 80,496,982.80 and 19,575,448.80

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Solution

The fourth proportional to 53,650,658.40, 80,496,982.80 and 19,575,448.80 is: 29,370,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650,658.40 : 80,496,982.80 = 19,575,448.80 : x
  2. Step 2: Convert to fraction form
    53,650,658.40/80,496,982.80 = 19,575,448.80/x
  3. Step 3: Cross multiply
    53,650,658.40x = 80,496,982.80 × 19,575,448.80
  4. Step 4: Simplify right side
    53,650,658.40x = 1,575,764,565,355,880.75
  5. Step 5: Solve for x
    x = 1,575,764,565,355,880.75/53,650,658.40
  6. Step 6: Final answer
    x = 29,370,833.69

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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.