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Finding the Fourth Proportional to 9,422,407.65, 13,221,230.55 and 9,422,407.65

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Solution

The fourth proportional to 9,422,407.65, 13,221,230.55 and 9,422,407.65 is: 13,221,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422,407.65 : 13,221,230.55 = 9,422,407.65 : x
  2. Step 2: Convert to fraction form
    9,422,407.65/13,221,230.55 = 9,422,407.65/x
  3. Step 3: Cross multiply
    9,422,407.65x = 13,221,230.55 × 9,422,407.65
  4. Step 4: Simplify right side
    9,422,407.65x = 124,575,823,876,733.72
  5. Step 5: Solve for x
    x = 124,575,823,876,733.72/9,422,407.65
  6. Step 6: Final answer
    x = 13,221,230.55

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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.