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Finding the Fourth Proportional to 34,778,550.80, 52,152,079.80 and 13,205,982.80

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Solution

The fourth proportional to 34,778,550.80, 52,152,079.80 and 13,205,982.80 is: 19,802,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778,550.80 : 52,152,079.80 = 13,205,982.80 : x
  2. Step 2: Convert to fraction form
    34,778,550.80/52,152,079.80 = 13,205,982.80/x
  3. Step 3: Cross multiply
    34,778,550.80x = 52,152,079.80 × 13,205,982.80
  4. Step 4: Simplify right side
    34,778,550.80x = 688,719,468,823,027.50
  5. Step 5: Solve for x
    x = 688,719,468,823,027.50/34,778,550.80
  6. Step 6: Final answer
    x = 19,802,995.04

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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.