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Finding the Fourth Proportional to 13,248,003.30, 18,589,719.90 and 13,248,003.30

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Solution

The fourth proportional to 13,248,003.30, 18,589,719.90 and 13,248,003.30 is: 18,589,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,003.30 : 18,589,719.90 = 13,248,003.30 : x
  2. Step 2: Convert to fraction form
    13,248,003.30/18,589,719.90 = 13,248,003.30/x
  3. Step 3: Cross multiply
    13,248,003.30x = 18,589,719.90 × 13,248,003.30
  4. Step 4: Simplify right side
    13,248,003.30x = 246,276,670,581,275.66
  5. Step 5: Solve for x
    x = 246,276,670,581,275.66/13,248,003.30
  6. Step 6: Final answer
    x = 18,589,719.90

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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.