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Finding the Fourth Proportional to 7,268,001.10, 10,878,382.05 and 7,268,001.10

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Solution

The fourth proportional to 7,268,001.10, 10,878,382.05 and 7,268,001.10 is: 10,878,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,001.10 : 10,878,382.05 = 7,268,001.10 : x
  2. Step 2: Convert to fraction form
    7,268,001.10/10,878,382.05 = 7,268,001.10/x
  3. Step 3: Cross multiply
    7,268,001.10x = 10,878,382.05 × 7,268,001.10
  4. Step 4: Simplify right side
    7,268,001.10x = 79,064,092,705,620.25
  5. Step 5: Solve for x
    x = 79,064,092,705,620.25/7,268,001.10
  6. Step 6: Final answer
    x = 10,878,382.05

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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.