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Finding the Fourth Proportional to 34,673,456.80, 51,972,860.40 and 13,099,722.40

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Solution

The fourth proportional to 34,673,456.80, 51,972,860.40 and 13,099,722.40 is: 19,635,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,673,456.80 : 51,972,860.40 = 13,099,722.40 : x
  2. Step 2: Convert to fraction form
    34,673,456.80/51,972,860.40 = 13,099,722.40/x
  3. Step 3: Cross multiply
    34,673,456.80x = 51,972,860.40 × 13,099,722.40
  4. Step 4: Simplify right side
    34,673,456.80x = 680,830,043,573,953
  5. Step 5: Solve for x
    x = 680,830,043,573,953/34,673,456.80
  6. Step 6: Final answer
    x = 19,635,482.19

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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.