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Finding the Fourth Proportional to 11,074,378.65, 15,466,338.75 and 11,074,378.65

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Solution

The fourth proportional to 11,074,378.65, 15,466,338.75 and 11,074,378.65 is: 15,466,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074,378.65 : 15,466,338.75 = 11,074,378.65 : x
  2. Step 2: Convert to fraction form
    11,074,378.65/15,466,338.75 = 11,074,378.65/x
  3. Step 3: Cross multiply
    11,074,378.65x = 15,466,338.75 × 11,074,378.65
  4. Step 4: Simplify right side
    11,074,378.65x = 171,280,091,646,667.69
  5. Step 5: Solve for x
    x = 171,280,091,646,667.69/11,074,378.65
  6. Step 6: Final answer
    x = 15,466,338.75

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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.