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Finding the Fourth Proportional to 5,907,681.32, 8,860,734.53 and 1,647,492.80

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Solution

The fourth proportional to 5,907,681.32, 8,860,734.53 and 1,647,492.80 is: 2,471,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907,681.32 : 8,860,734.53 = 1,647,492.80 : x
  2. Step 2: Convert to fraction form
    5,907,681.32/8,860,734.53 = 1,647,492.80/x
  3. Step 3: Cross multiply
    5,907,681.32x = 8,860,734.53 × 1,647,492.80
  4. Step 4: Simplify right side
    5,907,681.32x = 14,597,996,332,648.92
  5. Step 5: Solve for x
    x = 14,597,996,332,648.92/5,907,681.32
  6. Step 6: Final answer
    x = 2,471,019.60

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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.