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Finding the Fourth Proportional to 14,762,912.60, 20,620,247.95 and 14,762,912.60

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Solution

The fourth proportional to 14,762,912.60, 20,620,247.95 and 14,762,912.60 is: 20,620,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762,912.60 : 20,620,247.95 = 14,762,912.60 : x
  2. Step 2: Convert to fraction form
    14,762,912.60/20,620,247.95 = 14,762,912.60/x
  3. Step 3: Cross multiply
    14,762,912.60x = 20,620,247.95 × 14,762,912.60
  4. Step 4: Simplify right side
    14,762,912.60x = 304,414,918,276,179.12
  5. Step 5: Solve for x
    x = 304,414,918,276,179.12/14,762,912.60
  6. Step 6: Final answer
    x = 20,620,247.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.