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Finding the Fourth Proportional to 8,857,023.60, 13,261,915.80 and 8,857,023.60

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Solution

The fourth proportional to 8,857,023.60, 13,261,915.80 and 8,857,023.60 is: 13,261,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,023.60 : 13,261,915.80 = 8,857,023.60 : x
  2. Step 2: Convert to fraction form
    8,857,023.60/13,261,915.80 = 8,857,023.60/x
  3. Step 3: Cross multiply
    8,857,023.60x = 13,261,915.80 × 8,857,023.60
  4. Step 4: Simplify right side
    8,857,023.60x = 117,461,101,221,812.88
  5. Step 5: Solve for x
    x = 117,461,101,221,812.88/8,857,023.60
  6. Step 6: Final answer
    x = 13,261,915.80

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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.