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Finding the Fourth Proportional to 40,795,545.88, 61,197,802.10 and 13,491,892.88

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Solution

The fourth proportional to 40,795,545.88, 61,197,802.10 and 13,491,892.88 is: 20,239,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,795,545.88 : 61,197,802.10 = 13,491,892.88 : x
  2. Step 2: Convert to fraction form
    40,795,545.88/61,197,802.10 = 13,491,892.88/x
  3. Step 3: Cross multiply
    40,795,545.88x = 61,197,802.10 × 13,491,892.88
  4. Step 4: Simplify right side
    40,795,545.88x = 825,674,190,424,639.12
  5. Step 5: Solve for x
    x = 825,674,190,424,639.12/40,795,545.88
  6. Step 6: Final answer
    x = 20,239,322.03

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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.