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Finding the Fourth Proportional to 9,786,819.60, 14,652,235.80 and 9,786,819.60

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Solution

The fourth proportional to 9,786,819.60, 14,652,235.80 and 9,786,819.60 is: 14,652,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,819.60 : 14,652,235.80 = 9,786,819.60 : x
  2. Step 2: Convert to fraction form
    9,786,819.60/14,652,235.80 = 9,786,819.60/x
  3. Step 3: Cross multiply
    9,786,819.60x = 14,652,235.80 × 9,786,819.60
  4. Step 4: Simplify right side
    9,786,819.60x = 143,398,788,511,261.69
  5. Step 5: Solve for x
    x = 143,398,788,511,261.69/9,786,819.60
  6. Step 6: Final answer
    x = 14,652,235.80

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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.