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Finding the Fourth Proportional to 8,353,343.60, 12,502,021.80 and 8,353,343.60

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Solution

The fourth proportional to 8,353,343.60, 12,502,021.80 and 8,353,343.60 is: 12,502,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,343.60 : 12,502,021.80 = 8,353,343.60 : x
  2. Step 2: Convert to fraction form
    8,353,343.60/12,502,021.80 = 8,353,343.60/x
  3. Step 3: Cross multiply
    8,353,343.60x = 12,502,021.80 × 8,353,343.60
  4. Step 4: Simplify right side
    8,353,343.60x = 104,433,683,790,090.48
  5. Step 5: Solve for x
    x = 104,433,683,790,090.48/8,353,343.60
  6. Step 6: Final answer
    x = 12,502,021.80

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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.