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Finding the Fourth Proportional to 16,658,758.60, 24,964,809.90 and 13,252,870.60

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Solution

The fourth proportional to 16,658,758.60, 24,964,809.90 and 13,252,870.60 is: 19,860,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658,758.60 : 24,964,809.90 = 13,252,870.60 : x
  2. Step 2: Convert to fraction form
    16,658,758.60/24,964,809.90 = 13,252,870.60/x
  3. Step 3: Cross multiply
    16,658,758.60x = 24,964,809.90 × 13,252,870.60
  4. Step 4: Simplify right side
    16,658,758.60x = 330,855,395,158,298.94
  5. Step 5: Solve for x
    x = 330,855,395,158,298.94/16,658,758.60
  6. Step 6: Final answer
    x = 19,860,747.32

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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.