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Finding the Fourth Proportional to 12,394,515.10, 17,366,492.90 and 12,394,515.10

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Solution

The fourth proportional to 12,394,515.10, 17,366,492.90 and 12,394,515.10 is: 17,366,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,515.10 : 17,366,492.90 = 12,394,515.10 : x
  2. Step 2: Convert to fraction form
    12,394,515.10/17,366,492.90 = 12,394,515.10/x
  3. Step 3: Cross multiply
    12,394,515.10x = 17,366,492.90 × 12,394,515.10
  4. Step 4: Simplify right side
    12,394,515.10x = 215,249,258,483,092.75
  5. Step 5: Solve for x
    x = 215,249,258,483,092.75/12,394,515.10
  6. Step 6: Final answer
    x = 17,366,492.90

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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.