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Finding the Fourth Proportional to 7,760,984.65, 10,851,206.75 and 7,760,984.65

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Solution

The fourth proportional to 7,760,984.65, 10,851,206.75 and 7,760,984.65 is: 10,851,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,984.65 : 10,851,206.75 = 7,760,984.65 : x
  2. Step 2: Convert to fraction form
    7,760,984.65/10,851,206.75 = 7,760,984.65/x
  3. Step 3: Cross multiply
    7,760,984.65x = 10,851,206.75 × 7,760,984.65
  4. Step 4: Simplify right side
    7,760,984.65x = 84,216,049,020,726.39
  5. Step 5: Solve for x
    x = 84,216,049,020,726.39/7,760,984.65
  6. Step 6: Final answer
    x = 10,851,206.75

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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.