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Finding the Fourth Proportional to 13,828,233.70, 20,702,492.48 and 13,828,233.70

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Solution

The fourth proportional to 13,828,233.70, 20,702,492.48 and 13,828,233.70 is: 20,702,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,233.70 : 20,702,492.48 = 13,828,233.70 : x
  2. Step 2: Convert to fraction form
    13,828,233.70/20,702,492.48 = 13,828,233.70/x
  3. Step 3: Cross multiply
    13,828,233.70x = 20,702,492.48 × 13,828,233.70
  4. Step 4: Simplify right side
    13,828,233.70x = 286,278,904,116,791.44
  5. Step 5: Solve for x
    x = 286,278,904,116,791.44/13,828,233.70
  6. Step 6: Final answer
    x = 20,702,492.48

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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.