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Finding the Fourth Proportional to 21,829,452.60, 30,606,023.40 and 21,829,452.60

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Solution

The fourth proportional to 21,829,452.60, 30,606,023.40 and 21,829,452.60 is: 30,606,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829,452.60 : 30,606,023.40 = 21,829,452.60 : x
  2. Step 2: Convert to fraction form
    21,829,452.60/30,606,023.40 = 21,829,452.60/x
  3. Step 3: Cross multiply
    21,829,452.60x = 30,606,023.40 × 21,829,452.60
  4. Step 4: Simplify right side
    21,829,452.60x = 668,112,737,084,790.88
  5. Step 5: Solve for x
    x = 668,112,737,084,790.88/21,829,452.60
  6. Step 6: Final answer
    x = 30,606,023.40

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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.