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Finding the Fourth Proportional to 5,981,649.28, 8,973,888 and 1,938,130.24

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Solution

The fourth proportional to 5,981,649.28, 8,973,888 and 1,938,130.24 is: 2,907,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981,649.28 : 8,973,888 = 1,938,130.24 : x
  2. Step 2: Convert to fraction form
    5,981,649.28/8,973,888 = 1,938,130.24/x
  3. Step 3: Cross multiply
    5,981,649.28x = 8,973,888 × 1,938,130.24
  4. Step 4: Simplify right side
    5,981,649.28x = 17,392,563,703,173.12
  5. Step 5: Solve for x
    x = 17,392,563,703,173.12/5,981,649.28
  6. Step 6: Final answer
    x = 2,907,653.54

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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.