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Finding the Fourth Proportional to 17,764,782.90, 26,611,744.95 and 10,182,891.30

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Solution

The fourth proportional to 17,764,782.90, 26,611,744.95 and 10,182,891.30 is: 15,254,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764,782.90 : 26,611,744.95 = 10,182,891.30 : x
  2. Step 2: Convert to fraction form
    17,764,782.90/26,611,744.95 = 10,182,891.30/x
  3. Step 3: Cross multiply
    17,764,782.90x = 26,611,744.95 × 10,182,891.30
  4. Step 4: Simplify right side
    17,764,782.90x = 270,984,506,129,173.94
  5. Step 5: Solve for x
    x = 270,984,506,129,173.94/17,764,782.90
  6. Step 6: Final answer
    x = 15,254,028.58

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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.