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Finding the Fourth Proportional to 5,126,502.45, 7,689,753.68 and 5,126,502.45

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Solution

The fourth proportional to 5,126,502.45, 7,689,753.68 and 5,126,502.45 is: 7,689,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,502.45 : 7,689,753.68 = 5,126,502.45 : x
  2. Step 2: Convert to fraction form
    5,126,502.45/7,689,753.68 = 5,126,502.45/x
  3. Step 3: Cross multiply
    5,126,502.45x = 7,689,753.68 × 5,126,502.45
  4. Step 4: Simplify right side
    5,126,502.45x = 39,421,541,054,784.01
  5. Step 5: Solve for x
    x = 39,421,541,054,784.01/5,126,502.45
  6. Step 6: Final answer
    x = 7,689,753.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.