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Finding the Fourth Proportional to 8,885,638.73, 13,308,529.05 and 8,885,638.73

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Solution

The fourth proportional to 8,885,638.73, 13,308,529.05 and 8,885,638.73 is: 13,308,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885,638.73 : 13,308,529.05 = 8,885,638.73 : x
  2. Step 2: Convert to fraction form
    8,885,638.73/13,308,529.05 = 8,885,638.73/x
  3. Step 3: Cross multiply
    8,885,638.73x = 13,308,529.05 × 8,885,638.73
  4. Step 4: Simplify right side
    8,885,638.73x = 118,254,781,166,010.12
  5. Step 5: Solve for x
    x = 118,254,781,166,010.12/8,885,638.73
  6. Step 6: Final answer
    x = 13,308,529.05

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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.