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Finding the Fourth Proportional to 19,811,296.10, 27,773,605.90 and 19,811,296.10

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Solution

The fourth proportional to 19,811,296.10, 27,773,605.90 and 19,811,296.10 is: 27,773,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,296.10 : 27,773,605.90 = 19,811,296.10 : x
  2. Step 2: Convert to fraction form
    19,811,296.10/27,773,605.90 = 19,811,296.10/x
  3. Step 3: Cross multiply
    19,811,296.10x = 27,773,605.90 × 19,811,296.10
  4. Step 4: Simplify right side
    19,811,296.10x = 550,231,130,249,607
  5. Step 5: Solve for x
    x = 550,231,130,249,607/19,811,296.10
  6. Step 6: Final answer
    x = 27,773,605.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.