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Finding the Fourth Proportional to 22,925,783.60, 34,388,675.40 and 22,043,985.20

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Solution

The fourth proportional to 22,925,783.60, 34,388,675.40 and 22,043,985.20 is: 33,065,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,925,783.60 : 34,388,675.40 = 22,043,985.20 : x
  2. Step 2: Convert to fraction form
    22,925,783.60/34,388,675.40 = 22,043,985.20/x
  3. Step 3: Cross multiply
    22,925,783.60x = 34,388,675.40 × 22,043,985.20
  4. Step 4: Simplify right side
    22,925,783.60x = 758,063,451,565,204
  5. Step 5: Solve for x
    x = 758,063,451,565,204/22,925,783.60
  6. Step 6: Final answer
    x = 33,065,977.80

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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.