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Finding the Fourth Proportional to 17,764,762.90, 26,611,714.95 and 10,182,871.30

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Solution

The fourth proportional to 17,764,762.90, 26,611,714.95 and 10,182,871.30 is: 15,253,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764,762.90 : 26,611,714.95 = 10,182,871.30 : x
  2. Step 2: Convert to fraction form
    17,764,762.90/26,611,714.95 = 10,182,871.30/x
  3. Step 3: Cross multiply
    17,764,762.90x = 26,611,714.95 × 10,182,871.30
  4. Step 4: Simplify right side
    17,764,762.90x = 270,983,668,408,135.94
  5. Step 5: Solve for x
    x = 270,983,668,408,135.94/17,764,762.90
  6. Step 6: Final answer
    x = 15,253,998.60

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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.