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Finding the Fourth Proportional to 7,268,748.10, 10,879,502.55 and 7,268,748.10

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Solution

The fourth proportional to 7,268,748.10, 10,879,502.55 and 7,268,748.10 is: 10,879,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,748.10 : 10,879,502.55 = 7,268,748.10 : x
  2. Step 2: Convert to fraction form
    7,268,748.10/10,879,502.55 = 7,268,748.10/x
  3. Step 3: Cross multiply
    7,268,748.10x = 10,879,502.55 × 7,268,748.10
  4. Step 4: Simplify right side
    7,268,748.10x = 79,080,363,489,257.66
  5. Step 5: Solve for x
    x = 79,080,363,489,257.66/7,268,748.10
  6. Step 6: Final answer
    x = 10,879,502.55

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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.