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Finding the Fourth Proportional to 11,700,782.55, 17,519,681.02 and 11,700,782.55

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Solution

The fourth proportional to 11,700,782.55, 17,519,681.02 and 11,700,782.55 is: 17,519,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,782.55 : 17,519,681.02 = 11,700,782.55 : x
  2. Step 2: Convert to fraction form
    11,700,782.55/17,519,681.02 = 11,700,782.55/x
  3. Step 3: Cross multiply
    11,700,782.55x = 17,519,681.02 × 11,700,782.55
  4. Step 4: Simplify right side
    11,700,782.55x = 204,993,977,960,382.22
  5. Step 5: Solve for x
    x = 204,993,977,960,382.22/11,700,782.55
  6. Step 6: Final answer
    x = 17,519,681.02

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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.